* Specification: front 152 x 64 x 78 mm, back 152 x 64 x 32 mm, handle 110 x 25 x 42 mm
* Power: DC4.6-6V, 5VAA alkaline battery
* Dynamic supply current: <200 milliamp
* Storage temperature: minus 20 ~ +85°C
* Storage humidity range: 10 ~ 98%RH
* Operating temperature: 0 ~ +60°C
* Operating humidity range: 15~95%RH
* Unlocking mode: RF card or mechanical key
* Low voltage alert: 5 beeps will be heard with a red indicator light when the voltage is lower than 4.8 V