ZKteco DL30B Smart Lock

Features: Various access for your convenience -- password/ card/key/smart phone German standard mortise with one latch and  one deadbolt Enhanced security by random password for code access Idle handle design to prevent from forcible entry Voice guide for easier and more convenient use Voice volume is adjustable, includes mute mode Smart alarm for low battery & illegal operation Normal open mode External terminals to draw back-up power from a 9V battery Specifications:   Model DL30B/ DL30DB   Mortise Type German mortise   Material Zinc Alloy   Password capacity 100   Card capacity 100   Card Module ID   Wireless Module BLE4.0   Power Supply 4×AA Alkaline battery (NOT supplied)   Door Thickness 30-38 mm (standard), 39-46 mm (standard), 47-54 mm (standard), 55-60 mm (optional)   Dimensions Front: 69(W)× 155(L) ×35(D), Back : 69(W) ×155(L) ×25(D)