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1) 4 digital code lock
2) Sensitive 3) Low consumption Power: 6F22 9V battery x 1 (Battery not included) 4) Adopt quiver-alarm technic safety and credibility. 5) Fixing convenience and easy to use. 6) Dynamic current: <100mA 7) At least 100dB alarm 8) Environment humidity level: 5%~98% |
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