Wide Application: Burglar alarm has a wide range of applications, suitable for restaurant, toilets, schools, hospitals, nursing homes and other places. Sound Light Alarm: Smart siren alarm can make sound and light when triggered, 105db sound and the dazzling red light is clear to see. Easy to Use: One click connection, wireless alarm is easy to setup, no need for a home , you can easily achieve intelligent control. APP Control: Phone remote control sound and light alarm, support for smart, make your home smarter, faster and more convenient to use. Intimate Design: 8 kinds of alarm sounds, optional ringtones, choose your favorite ringtones according to personal preferences, serving your smart life. Feature: 1. APP Control: Phone remote control sound and light alarm, support for 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, 105db 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 , 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. Specification: Item Type: Sound Light Alarm Material: ABS Power Supply: USB 5V 1A Battery Type: CR123A x 2 (not included) Volume: 105db (Maximum) Wireless Standard: IEEE 802.11b/G/N Wireless Range: Approx. 45m / 49.2yd Operating Temperature: 0°C-40°C (32-104°F) Working Humidity: 20%-85% Storage Temperature: 0°C-60°C (32-140°F) Storage Humidity: 0%-90% Size: Approx. 68x68x33mm / 2.68x2.68x1.3in Package List: 1 xSound Light Alarm1 x USB Cable 1 x Screw 1 x Expansion Plug 1 x Sticker 1 x Manual Note: Do not place the product in an environment that is too humid and high temperature!