An alarm can be configured to support up to 5 wireless remote controls.An LCD graphic display, built-in calendar clock, visual and easy-to-understand operating instructions and human voice prompts, installation parameters and daily operation are warmer.The battery automatically sends a message when its capacity is low.AC power off and CAL recovery message Built-in intercom speaker enables duplex intercom function.Built-in rechargeable lithium battery, power failure alarm function P reset 6 groups of alarm calls, the host automatically selects the voice alarm of theThe system can be used as a mobile phone, which can make calls, check calls, change calls and control other functions through the host keyboard.One-button control;Outdoor activation, home activation, remote control activation and remote telephone activation.Instant, delayed, 24-hour programming features Wireless programming;Added new accessories, practical, safe and efficient.