Glass Cabinet Lock 1.High Security 2.Low voltage alarm 3.Low ... of 3 pieces of AA batteriesSupply Voltage Below DV4.5V with lack of voltage indications and can use about 200 more ... more with low energy indicationLatch length15mmDoor thickness15-30mmWorking temperature-20~+55Lock types4000EM,4000TM,2000EM,2000TMColorsGolden, black, red Glass cabinet lock, remote cabinet lock, glass cabinet key ...