Pack Voice Intercom Doorbell, 1000M USB Charging Smart Wireless Call Doorbell Waterproof Wireless Intercom Doorbell for Home Office -ANPVIZ

General descriptionIntroducing the Pack Voice Intercom Doorbell, a smart wireless call doorbell designed for both home and office use. This new model features long-distance communication capabilities, loud sound, and clear intercom functionality.The pack includes three doorbell system units that can easily switch between ring calls and intercom mode.With a transmission distance of up to 1000m in open areas and 20-50m through walls, this intercom is highly convenient.Each unit is equipped with an intercom indicator light and a power indicator light for easy visibility.Technical specificationsBattery Type: 2000mAh rechargeable lithium battery x 2 (built-in)Working Temperature: -20 ~ 55°CWireless Distance: 1000m (unobstructed) / 20-50m (obstructed)Wireless Frequency: 410~490 MHzWorking Hours: More than 8 months for outdoor unit, about one week for indoor unitOutdoor Unit Size: Approx. 121.5x61.5x31.3mm / 4.78x2.42x12.32inchIndoor Unit Size: Approx. 115x55x20mm / 4.53x2.17x0.79inchCompatibility and accessoriesIncludes: 1 x Outdoor Unit, 1 x Indoor Unit, 1 x Charging Dock, 1 x USB Cable, 1 x Screwdriver, 1 x Sticker, 1 x Instruction ManualInstallationThe outdoor unit can be charged without removing the waterproof cover or can be charged on the charging stand.UsageBoth units can be used for two-way conversations without shouting.Press the internal call button on one indoor unit to ring the other, then press and hold the TALK button to start an intercom call.Switch between two intercom modes by pressing and holding the internal call button for 5 seconds until you hear 3 beeps.Other information