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Hotel lock:
Specification:(GHB-3)
Type of cards: T4442
Power supply: 6pcs #7 batteries
Static Power: <3uA
Dynamic power:about 200mA
Low power indicate:4.8V
Temperature:-20°----50°
Relative humidity:<95°
Anti-static:>15,000V,make sure information no lost under strong static electricity.
Material: Copper, anti-rusty
Hotel lock