Wireless Voice Intercom Doorbell 2 Way Talk Monitor Unit Smart Home Security (white), for Everyday Convenience, Multi Purpose, Trendy and Useful

"Wireless Voice Intercom Doorbell 2 Way Talk Monitor Unit Smart Home Security (White)Product is shipped based on the color or size of the main image on the product page.Wireless Voice Intercom Doorbell 2 Way Talk Monitor Unit Smart Home Security Door Bell - Doorbell (White)Features: * Wireless smart voice doorbell, talk with visitor via two-way voice intercom, let you know who is visiting your home and talk to them and let them know I'm coming, please wait.* 1 receiver and 1 push button, talk between receiver and push button via wireless connection in wide range (outer bell: 200m, inner bell: 5-50m without any obstacles), stable transmission signal to make voice clear.* Receiver supports rechargeable battery, transmitter supports 3 alkaline batteries up to 4 months approaching ( 3*transmitter alkaline batteries are not included).* It is widely used for office and home, knowing who is outside, and convenient for the elder who needs much more power. time to open the door, very convenient. With 15 different ringtones and 3-level adjustable volume.* Easy to install and use, visitor presses the outdoor doorbell, after ringing, you need to press the receiver button once to connect, then press and hold to speak, release when finished.Specifications: Indoor unit input voltage: 5 V 1 A Outdoor unit power supply: 3 alkaline batteries (1.5V x 3) (not included) Indoor unit power supply: Built-in lithium battery (included) Wireless frequency: 467 MHzRingtone: 15 Options Volume Range: 3 levels Transmission distance: outer bell: 200m; Inner bell: 5-50 m (without any obstacle) waterproof: NO waterproof function Outdoor unit operating time: 4 months (approaching) Indoor unit operating hours: 24 hours (approach) Color: whiteMaterial: Plastic + ABSOperating temperature: -20 55Package information:Package size: Approach 16.3 x 14.5 x 4cm / 6.4 x 5.7 x 1.6 inchPackage Weight: Approach 261g / 9.2ozPackage List: 1 indoor unit 1 outdoor unit