Tuya APP Smart Drawer NFC Sensor Lock Keyless Invisible No Hole File Cabinet Lock Wardrobe Locks Drawer Switch<br> Non-opening invisible smart lock<br> Say goodbye to traditional key mobile phone one-key unlock<br> The mobile phone is your key. Tuya APP quickly unlocks with one key, supports multi-language system, 10 meters effective connection, and installs a smart drawer switch to bid farewell to the trouble of finding and losing keys everywhere.<br> Low power consumption, long-lasting battery life: standby up to 1 year<br> Remote sharing, sharing other people's time control<br> Switch records: inquire at any time including sharing records of others<br> Anti-lock: low battery reminder, low battery automatically unlock<br> 5.0 unlocking speed 1-2s, unlocking distance 10m<br> Specifications:<br> Name: Smart Switch<br> Material: ABS material<br> Working voltage: 6V (four alkaline dry batteries)<br> Working current: dynamic 200mA, static