Sell Upgraded Intelligent Doorbell Clear Loud Two-Way Voice Call and Intercom Wireless Voice Intercom Doorbell -Gold best price

Wireless remote connection between indoor unit and outdoor unit, no wiring, open distance up to 200 meters, obstacle distance 20-50 meters. Support two-way intercom; The wireless distance is 200m. The speaker is loud, the volume can be adjusted, the ring tone can be changed, the intercom sound quality is clear, and it can be used for mobile intercom. Power e: External Doorbell: 4 AAA batteries + Internal Doorbell: USB cable power supply (Note: AAA batteries are not included); If the intercom key is not pressed, the indoor unit will ring all the time. Only when the intercom key is pressed can the indoor unit talk back. Scope of application: residence / factory / hotel / hospital / teahouse / shop, etc. Working temperature: - 20-55 Celsius; Working frequency: 467.6375MHZ (without waterproof function); Power supply voltage: 1.5 (V). It is easy to install and can be glued on the wall with adhesive. Colour:Golden/Sier Material:Aluminum alloy + ABS Size:10 x 6 x 1.3cm Package Contents: 2 x Doorbell 1 x Screwdriver<br />Only the above package content, other products are not included.<br />Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.