Product Name: Smart Airbnb Lock - Apartment Code SMS Lock - Digital Code Smart Door Lock Model NO.: V-BT-H15 Usage: Commercial, Household, Industrial Customized: Non-Customized Suitable for: Home Door Material: Alloy Design: Touch Screen Type: Electronic Trademark: IWINTEC Transport Package: Carton Specification: 70*178mm Origin: Guangdong, China HS Code: 83014000 Product Description Introduce:The lock is managed in two ways: the user can use an identification code or free application. After entering a code, the time starts to count and the door opens. The user can do it also using mobile app, which connect the user with the lock through Bluetooth in his phone.Technical Parameter:Communication: Bluetooth 4.0bleSystem: Androi 4.3/IOS7.0Static Current: 20uADynamic Current: 200mAPower Supply: 4 pcs AA Alkaline BatteriesUnlock time: 1.5 sWorking Temperature: -20ºC ~ +60ºCHumidity: 20% ~ 90%