LCD Screen 2.4ghz Display Wireless Intercom Door Bell System

Features: This product is easy to install and operate. With batteries fixed, both outdoor and indoor units can be directly used. It is special for villa. One outdoor unit supports connection with 99 handsets. Barrier free transmission range can reach 400 meters. Outdoor unit works with four AAA dry batteries and employs latest energy saving technology. Power consumption is little in non-working state. Power save and long standby duration are achieved. Its standby time can last over 1 year. Stable performance and fashion design are your first choice of high quality intelligent life. Note: please use alkaline battery instead of carbon battery for outdoor unit. Functions & Features: Duplex intercom: a) After visitor makes a call, all paired indoor handset has incoming call display on LCD screen and rings,press “answer” key on one handset; in-time and clear intercom can start between two devices; b) If ID number of single handset is pressed on outdoor unit before call, then only single handset will ring and have intercom with visitor; c) 99 handsets can have full duplex intercom among each other. Unlock: remote unlock by handset , unlock by password input on outdoor unit Outdoor unit’s anti-peeping unlock password technology: max 20 numbers can be input for door entry unlock passport. Among them, if there is 6 continuous numbers is same with your password, then door will be open New power saving energy: outdoor unit works with 4 AAA alkaline batteries; its standby duration lasts for one and half years; installation is simple with wiring free. Portable handset with charge base, you can put it on tea table, bed stand, desk, etc. One outdoor unit with multiple handsets: one outdoor unit can work with 99 handsets; to satisfy you to know the visitor from the living room, bedroom and kitchen etc. Strong signal, high penetration ability: through the outside wall and internal wall. Long range: barrier free transmission range 400 meters. Show More Show Less