Waterproof Details Description:<br> 1). Waterproof mask <br> 2). Waterproof silicone pad <br> 3). The Motherboard inside fully filled with waterproof glues. <br> 4). Battery compartment with rubber sleeve.<br><br> Specification: Material: Zinc Alloy <br> Available color: Black<br> Panel Sizes: 168(mm)*34(mm)*60(mm) <br> Unlock modes: Fingerprint /Password /IC Card / APP / Mechanical Key Supported<br> app name: TUYA app <br> Fingerprint recognition time: 0.25S<br> Fingerprint Users: 100pcs <br> Card Users: 100pcs <br> Password Users: 100pcs <br> Power supply: 4pcs AA battery or 12V DC <br> Operating temperature: -25 to 55 Centigrade<br> Suitable door thickness: 20-80mm( Wooden door, Steel door, Iron door, other metal doors) <br> Emergency Charging: Mircro USB port <br><br> Tuya APP Functions:<br> 1. Send temporary password unlock remotely<br> 2. Checking unlock logs remotely<br> 3. Connect to WIFI directly, No gateway required