| Customization: | Available |
|---|---|
| Material: | Stainless Steel |
| Type: | Electronic |
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| Power supply: | 4.5V DC use of 3 pieces of number 5 (or number 7) AA alkaline batteries, with low voltage warning |
| Static consumption: | 3uA maximum |
| Dynamic consumption: | About 250mA |
| Battery lifespan: | 10 000 times under low voltage warning, it can open door 150 times at least Working temperatures: -20° C to 70° C |
| Humility: | 98% maximum. |
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