【RESPOND IN REAL-TIME】With built-in microphone and speaker, a wireless doorbell provides you real-time clear two-way audio. So you could speak directly to the visitors who approach your front door via this wireless intercom doorbell without having to get up and answer the door.
【ANTI-THEFT & EXPANSION】The wireless intercom doorbell is expandable, so you can extend nearly any indoor or outdoor system. The outdoor wireless intercom transmitter equipped with screws, allow you to fix it on the wall to against anyone take it away.
【ANTI-INTERFERENCE &MULTIFUNCTIONAL】This wireless doorbell uses a wireless intercom to avoid being affected by WIFI disruptions, and it also will not interfere with other equipment in your home or those of your neighbors. Buy two receivers and use them as a set of walkie-talkies!
【LONG RANGE & ADJUSTMENT SOUND】 This wireless doorbell transmits at a distance of up to 1/2 Mile! Customize your doorbell with 10 kinds of chimes and 3 volume levels!
【BUILT-IN RECHARGEABLE BATTERY】This intercom doorbell is waterproof even in bad weather conditions like snow and rainstorms. Features low power consumption, built-in 2800mA battery!