Junqi Anti-theft Intelligent Fingerprint Electronic Security Smart Glass Door Lock Brand Name: Junqi Model Number: JQ-175 color: silver,black. Place of Origin: Dongguan,Guangdong, China Key Features for Glass Door Lock: 1.Unlock Way : Fingerprint, Card, Password,Remote controller,WeChat applet. 2.Easy installation, only 10 minutes to finish, no need punch or glass cement. 3.Zinc alloy material, 304 stainless steel lock body. 4.Voice prompt and English/Chinese system. 5.Semiconductor Fingerprint sensor, a high recognition rate and valid for the elderly and children,and effecitively avoild fingerprint being cloned. 6.Support single and double glass door. 7.Powered by 4 AA batteries , Support low power alarm function and emergency power interface(USB). 8.Support doorbell function. 9.Master Lock Size: L190mm*W75.5mm*H25mm,Deputy Lock Size: L190mm*W38mm*H25mm 10.Suitable for 8~12mm thickness of glass door. 11.Working Temperature: -20-55â??.