青島澳格納電子技術有限責任公司
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描述
聯絡供應商
描述
Button:
Self powered- convert energy from finger press.
No need battery.
Weather proof- endure high&low temperature -20℃~+50℃.
Waterproof- perfect in rainy days.
Chime:
USB-enable
433MHZ
38 ring tones.
Adjustable sound volume- 3-class sound volume
Power consumption:<150 mW
80 meters in open area
Self powered- convert energy from finger press.
No need battery.
Weather proof- endure high&low temperature -20℃~+50℃.
Waterproof- perfect in rainy days.
Chime:
USB-enable
433MHZ
38 ring tones.
Adjustable sound volume- 3-class sound volume
Power consumption:<150 mW
80 meters in open area
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