SH501--Modern Style Apartment Door Lock Series Security Access Control Smart Door Lock Main Functions: SH501-BP Bluetooth &App Smart Lock is a modern and compact stylish lock that features Pin code and Bluetooth access to unlock the door. Unlock using your smart phone, change pin-codes and download unlocking records from the TTLock app. The lock body is made of Zinc Alloy+ Acrylic Panel which is smooth, beautiful, anti-rust and durable. The lock is powered with Long Lasting Batteries, up to 4 standard batteries can be installed, effectively powering the lock for 12 months. It doesn’t need any external power source. In case of low power, the mechanical keys can open the door and please replace a new battery. SH501-BP can be suitable used for: Detached house/Apartment building/Businesses office/Home / Residential/Government / Aged care and so on. Security Access Control Smart Door Lock Features: Easy Installation Ideal upgrade or replacement for existing ball door locks directly. Reversible design to accommodate all door open directions Various accesses for your convenience - password /key/Bluetooth &App Illuminated e-touch keypad for easy operations in the dark With random password feature for higher security Smart alarm for low battery / illegal operation Remote open door is optional Contact info: Company Name: Safeehome Technology Co., Ltd. Security Access Control Smart Door Lock Specifications Sheet: Model No.: SH501-BP Access Control Smart Door Lock Framework Material: Zinc Alloy++ Acrylic Panel Password Capacity: 1(for admin), 50(for user) Wireless Module: BLE4.0 Operating Temperature: -20°C - 70°C Batteries: 4xAA alkaline battery (NOT supplied) Battery Life: Over 10000 times (above 1 year) Door Thickness: 35-55 mm Dimensions: Front Panel -68(W)×168(L)×25(D) mm Back Panel - 68(W)×168(L)×25(D) mm Packaging Weight: 3.6kg Color Type: Gold/Silver/Antique Copper/ Antique Brass /