Is this smart lock a good choice for families with children or elderly members?

Yes. The M5 smart lock supports multiple reliable unlocking methods, which reduces the chance of getting locked out: a fast semiconductor fingerprint reader, numeric passwords (with virtual anti-peep entry), IC cards, mechanical keys, and a companion app via Bluetooth. Specific facts: the lock stores up to 50 fingerprints, 100 passcodes, and 100 IC cards, and it offers temporary user access that automatically expires. Who benefits most are households that need flexible, simple entry options for different members — for example parents who want children to use a card or code, or caregivers needing temporary access. One limitation is that fingerprint enrollment may be less accurate for some users, so we recommend registering multiple fingerprints per person and keeping at least one backup method available.

Will this lock fit my door and how do I check compatibility?

Yes, if your door falls within the lock’s specified dimensions and standard latch layout. The M5 is designed for doors 28 to 50 mm thick and includes a 60/70 mm latch plus the screw kit and templates for installation. It supports common door types such as wood, steel, brass, and stainless steel and the handle direction is reversible for left or right swing doors. These measurable details mean you should measure your door thickness and confirm the backset fits 60 or 70 mm before purchasing. This product suits homeowners and renters who want a direct replacement or upgrade to an interior or sheltered exterior door. Note that very thin or extra-thick doors, nonstandard bore holes, or heavy-duty commercial doors may require different hardware or professional fitting.

Can I unlock this lock remotely when I am away from home?

Partially. The M5 supports remote-style unlocking options but requires an optional WiFi gateway for full cloud-based remote control. Out of the box the lock uses Bluetooth with a companion app that can generate temporary passwords you can send to visitors without requiring direct network connectivity. For true remote unlocking and real-time internet control, add the separate WiFi gateway accessory and connect it to your home network. Key facts: the lock can issue temporary passwords, store usage records, and issue low-power and abnormal alarms through the app. This setup is ideal for hosts, short-term rental managers, and families who need to grant access while away. The limitation is that Bluetooth-only operation does not provide direct internet remote control without the gateway accessory.

How long do the batteries last and what happens if the power runs out?

Typical battery life is about four to six months with normal use. The lock runs on four alkaline AAA batteries and the manufacturer estimates support for roughly 1,500 to 2,000 unlock cycles per set of new batteries. If the internal batteries are depleted, you can still unlock the door using the included mechanical keys or by supplying emergency power to the front Type-C port with a power bank. The lock also provides a low-battery warning through the companion app and on the device, and replacing batteries is designed to be quick. This arrangement is helpful for busy households and rental properties. For best results, use high-quality alkaline AAA cells and avoid rechargeable cells unless explicitly recommended.

Is this smart lock suitable for outdoor installations or exposed entrances?

No, it is not rated as waterproof and is intended for indoor use or installations under a sheltered entrance. While the M5 is built from profile aluminum and zinc alloy and functions across a wide temperature range from minus 20°C to 50°C, the manufacturer specifies that it should not be exposed to prolonged rain or direct sunlight. Specific product features such as the semiconductor fingerprint sensor and electronic keypad are vulnerable to moisture and extreme weather. This lock is best for interior doors, covered porches, and entryways protected from the elements. If you need a lock for a fully exposed exterior location, choose a model explicitly rated for outdoor use or provide a weatherproof cover and sheltered mounting.

M5 Fingerprint Lock 28-50mm | RAYKUBE

1/7

RAYKUBE M5 Fingerprint Lock

€44,95

Color M5-S and Gateway M5 Silver M5 Black M5-B and Gateway

The RAYKUBE M5 is a Tuya BLE smart fingerprint door lock designed for indoor residential and light commercial doors. It combines semiconductor fingerprint recognition, keypad passcodes, IC card access and mechanical keys to give you multiple verified entry options.

If you struggle with lost keys or unsecured temporary access for guests or service personnel this lock helps by offering remote temporary passwords via the Tuya app (Bluetooth) and time-limited users so access automatically expires when you need it to.

Fingerprint capacity 50 entries using semiconductor sensor for fast recognition
Door compatibility 28-50mm thickness and reversible handle for left or right doors
Power and emergency Type-C port powered by 4 AAA batteries with low-battery alert and USB emergency supply
User capacity: up to 100 passcodes 100 IC cards and 250 total user profiles
Materials: profile aluminum front with zinc alloy components; suitable for steel wood brass and stainless steel doors
Includes front and rear panels 60/70mm latch 2 mechanical keys 3 IC cards and installation screws

Compared to basic keypad locks the M5 adds biometric access, Tuya Bluetooth app control and temporary remote passwords when paired with the Tuya ecosystem. Unlike outdoor-rated locks this unit is for sheltered indoor installation only and operates between -20°C and 50°C.

This model has been field-tested for standard residential installation and ships with an English manual and installation video. For WiFi remote unlocking add the B4 gateway recommended by the manufacturer. Learn more or consult our technical support if you need help with door measurements or setup.

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RAYKUBE M5 Fingerprint Lock

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Lingua

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RAYKUBE M5 Fingerprint Lock

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