Digital smart lock Avatto SDL-A270-S WiFi Silver — electronic door lock with Wi‑Fi connectivity

Avatto SDL-A270-S -6072 Wi-Fi smart digital lock in silver finish. This electronic door lock combines multiple access methods with remote management via Wi‑Fi, enabling keyless entry, user management and activity monitoring. The lock fits doors 35–60 mm thick and is designed for residential and light-commercial use where remote control and flexible access are required.

Advantages

The lock supports five opening methods—fingerprint, IC card, password, mobile app and mechanical key—providing flexibility for different users. Fast response time (1–1.5 s) ensures quick entry. Built-in Wi‑Fi allows remote control and sharing of access through the Tuya Smart or SmartLife app. Powered by four AA alkaline batteries, the device offers long battery life (10–12 months) and supports emergency external power via a powerbank. The lock is rated IP55 and operates in temperatures from -20°C to 50°C and humidity up to 95% for reliable outdoor and indoor performance.

Suitable for

• Residential front and interior doors (35–60 mm thickness)
• Rental apartments and short-term rentals requiring temporary codes
• Small offices and commercial premises with controlled access
• Locations needing remote access control and activity logs

Key specifications

• Material: aluminum alloy, ABS, tempered glass
• Color: silver
• Door thickness compatibility: 35–60 mm
• Power supply: 4 × AA alkaline batteries (6 V)
• Battery life: approximately 10–12 months
• Opening methods: fingerprint, IC card, password, mobile app, mechanical key
• Lock opening time: 1–1.5 seconds
• Connectivity: Wi‑Fi (app control via Tuya Smart / SmartLife)
• Compatible OS: iOS 7.0 or later, Android 4.4 or later
• Operating temperature: -20°C to 50°C
• Operating humidity: 10–95%
• Ingress protection: IP55
• Standby (static) current: <50 µA; dynamic current: <200 mA

How to use

Install the Avatto SDL-A270-S on a door with thickness between 35 and 60 mm following the manufacturer’s mounting instructions. Power the unit with four AA alkaline batteries and configure the lock through the Tuya Smart or SmartLife app on a compatible iOS or Android device to enable Wi‑Fi access and remote control. Enroll fingerprints, register IC cards, set permanent or temporary passwords and pair the mobile app. Use the mechanical key for manual override if necessary.

Usage recommendations

For reliable operation, check battery level periodically and replace batteries before they are fully depleted. Use the app to manage user codes and temporary access for guests or service personnel. If installing outdoors or on an exterior door, verify the door seal and alignment to maintain IP55 resistance and correct locking action.