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| Audio intercom system school office intercom 99 pcs long range wireless video intercom doorbell | |
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1.one system supports 100 pcs : 00 ~ 99 2 floor transmission distance: 1 to 8 layers 3. Horizontal through the wall distance: 80 meters 4 open transmission distance: 1KM Battery capacity: 1500mA 6. Charging current: 300mA, need to charge 5h 7. Standby current: 3mA, the longest standby time up to 500h 8. Maximum operating current: 400mA, | |
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FAQ Q: How long is the warranty period? A: 18 months . Q: What's the MOQ?
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