1、APP Control: Phone remote control sound and light alarm, support for TUYA smart, make your home smarter, faster and more convenient to use. 2、Sound Light Alarm: Smart siren alarm can make sound and light when triggered, 90db loud sound and the dazzling red light is clear to see. 3、Intimate Design: 8 kinds of alarm sounds, optional ringtones, choose your favorite ringtones according to personal preferences, serving your smart life. 4、Easy to Use: One click connection, wireless alarm is easy to setup, no need for a home gateway, you can easily achieve intelligent control. 5、Wide Application: Burglar alarm has a wide range of applications, suitable for restaurant, toilets, schools, hospitals, nursing homes and other places. Item Type: Sound Light Alarm Material: ABS Power Supply: USB 5V 1A Battery Type: CR123A x 2 (not included) Volume: 90db (Maximum) Wireless Standard: IEEE 802.11b/G/N Wireless Range: Approx. 55m / 60.1ydOperating Temperature: 0℃-40℃ (32-104℉) Working Humidity: 20%-85% Storage Temperature: 0℃-50℃ (32-122℉) Storage Humidity: 0%-80% Size: Approx. 68x68x33mm / 2.68x2.68x1.3in 1 x Sound Light Alarm 1 x USB Cable 1 x Screw 1 x Expansion Plug 1 x Sticker 1 x Manual