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Can be customized in English.
Input voltage AC130V-560V communication distance up to 1150 meters!
Built-in lithium, power can be used more than 10 hours, the overall waterproof production, indoor elevator dedicated pager
Can be customized in English.
Input voltage AC130V-560V communication distance up to 1150 meters!
Built-in lithium, power can be used more than 10 hours, the overall waterproof production, indoor elevator dedicated pager