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Overview
Humiditv: 30%RH~ 80%RH Waterproof Rate: lp54 Door thickmess: 60-100mm Working Voltage: 4.5V Battery: 3 AAA Alkaline Batteries(without Batteries) Battery Life: 10 Months ( Depending on use ) Working Environment: Temperature-20°C to +55°C Material: aluminum alloy colour: black Package Contents: 1 Security Door Lock kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.