2 Pack Intercoms Wireless for Home Voice Bidirectional Caller Home Ultra Long Distance Portable Wireless Voice Interphone

【Long-Range Communication】: Our wireless two-way intercom system is designed for long-range communication, with a tested range of up to 300 meters., 【Slim and Sleek Design】: With a thickness of only 18mm, our intercom system is slimmer than similar products on the market which are usually over 22mm thick., 【Intelligent and User-Friendly】: Our intercom system is designed with user-friendly features, including a talk light and battery light display for easy monitoring., 【High-Capacity Battery】: Powered by a 1800mAh polymer lithium battery, our intercom system can last for about a week with normal use (5 calls per day, 30 seconds per call)., 【Versatile and Adjustable】: Our intercom system offers two frequency options (462MHz and 434MHz) to avoid interference.