1000ft / 300m Wireless Range - The propagation distance of 1000ft can effectively pass through the stone wall, gate, indoor door, metal and so on.
- 3 years of effective working timeDurable and low energy consumption button, can greatly extend the service life of the battery
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Volume Adjustment - There are 4 levels of volume for wireless doorbell. The lowest volume is 0db.
- Press the volume button on the receiver to set the volume.
- 38 Melodious Chimes.
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?Wireless Range and Waterproof - The propagation distance of 1000ft can effectively pass through the stone wall, gate, indoor door, metal and so on.
- Durable ,Waterproof and Dust proof Doorbell Button IP44 Dust proof and waterproof.
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