Note: Product visuals are presented for illustrative purposes only and may vary slightly in colour, finish, proportions, and final installed appearance. For the most realistic representation, please refer to our Customer Gallery featuring actual installation photos.
Please check the following requirements before purchase. If unsure, send us your door and gate photos on WhatsApp and our team will confirm compatibility before installation.
Door Thickness
Recommended door thickness: 40–60mm
Distance Between Door & Gate
Minimum Distance Required: >65mm
Door Gap
Gap Requirement: 3-8mm
Distance between Door Edge to Internal Handlebar (if there is a handlebar)
Minimum Required Distance: >130mm
Real installation photos from our customers.
Frequently Asked Questions
Have questions? We're here to help you.
The Interlock Mercury X5 is best suited for homeowners who want a premium smart digital door lock with palm vein recognition, 3D facial recognition, app control, video intercom, and a large indoor display. It is suitable for families, elderly users, and multi-generational households where the door meets the required installation conditions.
The Mercury X5 combines 3D facial recognition, palm vein recognition, fingerprint access, PIN code, card access, app unlock, a 4.5-inch indoor display, live monitoring, and remote video intercom. It is designed for homeowners who want advanced access methods with better visitor visibility.
Yes. The Mercury X5 supports 3D facial recognition, allowing users to unlock the door hands-free without needing to use fingerprint, PIN code, card, or app access.
The Mercury X5 uses 3D facial recognition, live body detection, and AI photo protection to help prevent unlocking with photos, videos, or static images.
Yes. The Mercury X5 supports palm vein recognition, allowing users to unlock by hovering their palm near the scanner. This provides a contactless access method that is useful for users who may not always get consistent fingerprint recognition.
Yes. The Mercury X5 can be suitable for children and elderly users because it supports multiple access methods, including 3D facial recognition, palm vein recognition, fingerprint, PIN code, card, app unlock, and mechanical key. Its facial recognition is designed to work for users from about 1.0m to 2.0m in height.
The Mercury X5 supports facial recognition, palm vein recognition, fingerprint, PIN code, card or tag, Tuya Smart app unlock, periodic PIN codes, and mechanical key access.
Yes. The Mercury X5 supports remote unlocking through the Tuya Smart app when the lock is connected to WiFi. This allows you to unlock and manage access through your smartphone.
Yes. The Mercury X5 supports periodic PIN codes through the app, depending on configuration. This is useful for trusted visitors, helpers, family members, or short-term access needs.
Yes. The Mercury X5 supports real-time unlock logs through the app, including access method, time, and user identity where configured. This helps homeowners monitor who accessed the door and when.
The Mercury X5 works with the Tuya Smart app on iOS and Android. The app supports functions such as remote unlocking, unlock logs, user management, visitor alerts, and selected remote management features.
Yes. The Mercury X5 has a 4.5-inch IPS indoor display that functions as a digital door viewer, allowing you to see visitors clearly from inside the home.
Yes. The Mercury X5 supports remote video intercom through the mobile app, allowing you to view and speak with visitors before deciding whether to unlock the door.
Yes. The Mercury X5 includes a built-in doorbell, allowing visitors to alert you from the door. App notifications depend on the lock’s WiFi connection and app configuration.
Yes. The Mercury X5 supports built-in monitoring and visual surveillance features, allowing homeowners to check visitor activity through the indoor display and supported app functions.
Basic lock functions do not require a paid cloud video subscription. The Mercury X5 includes a complimentary cloud storage trial for video recordings. After the trial, continued cloud video storage is optional and may require a subscription through the app provider.
Yes. The Mercury X5 includes cloud image storage for the latest 14 days at no extra charge. Photos are stored on a rolling basis and automatically deleted after the supported storage period.
The Mercury X5 includes a complimentary trial for cloud video recordings. After the trial, continued cloud video storage may require a subscription, but videos and photos may still be saved locally where supported.
The Mercury X5 can support compatible Mercury door-and-gate sync setups where the required sync module and compatible gate lock are used. This allows supported door and gate locks to work together for a more convenient entry experience.
The Mercury X5 uses a rechargeable battery system designed for daily household use. It also provides low-battery reminders so you can recharge before the battery is fully depleted.
If the battery is depleted, you can temporarily power the Mercury X5 using a USB-C power bank through the emergency power port. You can also use the included mechanical key as a backup access method.
Yes. The Mercury X5 has an emergency USB-C power port. If the battery is depleted, you can connect a portable power bank temporarily to power the lock and unlock the door.
Yes. WiFi is mainly needed for remote app features. If WiFi is down, you can still unlock using non-app methods such as facial recognition, palm vein recognition, fingerprint, PIN code, card, or mechanical key.
The failsafe internal unlock feature provides a built-in mechanical override from inside the home, helping ensure you can unlock from inside even during power failure or electronic issues.
Yes. The Mercury X5 can be suitable for HDB doors when the door meets the required thickness, door gap, clearance, and installation conditions. A compatibility check is recommended before purchase.
Yes. The Mercury X5 can be suitable for condominium and landed property doors, depending on door thickness, frame alignment, door gap, existing lock position, and door-to-gate clearance.
The recommended door thickness for the Mercury X5 is 40mm to 60mm. Final compatibility still depends on the actual door condition, existing lock position, and installation area.
The recommended door gap for the Mercury X5 is 3mm to 8mm. If the gap is too narrow or too wide, installation suitability may be affected.
The Mercury X5 requires more than 65mm distance between the door and gate. This helps ensure the lock has enough clearance and does not clash with the gate when the door is closed.
The Mercury X5 requires more than 130mm distance between the door edge and the internal handlebar if there is one. If the handlebar is too close to the lock area, installation may not be suitable.
No. The Mercury X5 is designed for wooden or solid core doors. For metal gates, glass doors, or sliding doors, a dedicated gate, glass, or sliding lock model would be more suitable.
Not every wooden door is suitable. Compatibility depends on door thickness, door gap, lock area, frame alignment, existing lock position, internal handlebar clearance, and door-to-gate distance. Our team will check your photos before confirming suitability.
You should send clear photos of the front and back of your door, the side of the door, the current lock area, the door frame, and a photo showing the door and gate closed together if you have a gate. If there is an internal handlebar, include a photo showing the distance from the door edge to the handlebar.
Yes. Complimentary installation is included for the Mercury X5. Before installation is confirmed, our team will still need to check your door photos to make sure your door thickness, door gap, frame alignment, internal handlebar clearance, and door-to-gate distance are suitable.
The Mercury X5 comes with 1 year warranty. Warranty coverage may depend on usage conditions, installation conditions, and whether the lock is used within the recommended environment.
The Mercury X5 is suitable for homeowners who want a premium smart door lock with palm vein recognition, 3D facial recognition, Tuya app control, unlock logs, video intercom, indoor display, USB emergency power, and strong family-friendly access options.