Waterproof Details Description: 1). Waterproof mask 2). Waterproof silicone pad 3). The Motherboard inside fully filled with waterproof glues. 4). Battery compartment with rubber sleeve. Specification: Material: Zinc Alloy Available color: Black Panel Sizes: 168(mm)*34(mm)*60(mm) Unlock modes: Fingerprint /Password /IC Card / APP / Mechanical Key Supported app name: Tuya app Fingerprint recognition time: 0.25S Fingerprint Users: 100pcs Card Users: 100pcs Password Users: 100pcs Power supply: 4pcs AA battery or 12V DC Operating temperature: -25 to 55 Centigrade Suitable door thickness: 20-80mm( Wooden door, Steel door, Iron door, other metal doors) Emergency Charging: Mircro USB port Package including: 1x front lock panel 1x rear lock panel 1 x lock mortise 2 x RFID cards 2 x mechanical keys 1 x user manual 1 x screws kits