Features: Wireless connection, independent alarm, is not only a high-power sound and light siren, but also a live alarm host. It can be used independently as indoor and outdoor high-decibel sound and light alarm, or it can be used as an alarm host independently or in conjunction with the 433 alarm host. The intelligent microprocessor is used to issue high-decibel sirens when alarming, which is suitable for places such as warehouses and garages in stores. Built-in large-capacity rechargeable battery that can be plugged into a power source. A variety of alarm options, you can not ring the flute only light, you can also add flute and light, you can also ring the flute without light. Specifications: Condition: Brand New Material: ABS Color: White Plug type: US Plug, EU Plug(Optional) Output voltage: DC9-15V Built-in battery: NI-HI AAA*6DC 7.2V Standby current: less than 20 mA Alarm current: less than 300 mA Receiving frequency: 433 Mhz Siren sound: 120DB Siren sounds time: 5 minutes Working temperature: -10 to 40 degrees Wireless signal receiving distance: up to 100 meters Package List: 1 * Sound Light Alarm (1 * Manual + 1 * Pad + 1 * Mounting screws) 1 * Remote Control (1 * CR2032 button battery) 1 * Door Magnet (1 * 12V23A dry battery) 1 * Power Supply 1、Wireless connection, independent alarm, is not only a high-power sound and light siren, but also a live alarm host. 2、It can be used independently as indoor and outdoor high-decibel sound and light alarm, or it can be used as an alarm host independently or in conjunction with the 433 alarm host. 3、The intelligent microprocessor is used to issue high-decibel sirens when alarming, which is suitable for places such as warehouses and garages in stores. 4、Built-in large-capacity rechargeable battery that can be plugged into a power source. 5、A variety of alarm options, you can not ring the flute only light, you can also add flute and light, you can also ring the flute without light.