2 Way Voice Intercom Wireless Waterproof Intercom s for Home Classroom white

Feature: 1. Dual Way Intercom: When someone press the call button on outdoor unit, the indoor bell will ring immediately for reminding you. You can press the response button to talk with the people outside. 2. Waterproof Design: The intercom doorbell is waterproof even in bad weather conditions like snow and rainstorms. Features low power consumption, built in 1800mAh battery, and included 2 base. 3. Easy to Operate: The surface of the doorbells adopt high gloss UV process, and the keys feel good. Intelligent humanized design, with intercom light and power light display, customers can see at a glance. No need to network without wiring to turn on and use. 4. Low Power Consumption: Wireless voice intercom doorbells adopt intelligent power sav