- Colour : Matte black
- Working Voltage : DC 2.3 – 3.3v
- Battery Spec : CR1220
- Standby Current : ≤2uA
- MAX. Current : ≤5mA & Time of duration ≤ 35ms
- Battery life : 1-2 year ( japan ) unlock 30-50 times one day
- Operating Temp : -5°C to 50°C
- Relative humidity : 20% to 80%
- Material : Zinc alloy/ABS
- Diameter of mounting : Apply to diameter 16mm-20mm
- Thickness of plank : Steel = 0.5-12mm / Timber = 0.5-22mm
- Certification : CE/FCC/PSE/ROHS/SGS/SST
- Salt test : 48 hours
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