120dB Wired Siren Horn Speaker for GSM Security Alarm System When the Siren Horn is alarming, its 120dB will sound. Note: This siren cannot work alone, must work with the alarm system, and is only compatible with KERUI or our store products. It will help you/your Vigilance neighbors help, and scare the burglar out of your house. A necessary item for the original security system. Rated current: sound rating Less than 100 (mAA: 120dB This piercing, siren plug-in can be plugged into your keypad/console. It works with your system, in response to signals from an alerted keypad/console No intruders will hang around when one of these sirens sounds! Alarm access socket: 12V voltage socket, which can be directly connected to the alarm host or other products, with high compatibility and simple and quick installation. ABS flame retardant material: The siren shell is made of ABS flame retardant material, black and white, which is optional, beautiful and stylish, and can be connected to the host of the alarm output port. Adhesive stickers: There are adhesive stickers on the bottom of the siren, which can be directly attached to the wall, which is convenient and quick, or can be directly drilled, which is firmer. Durable wire: carefully selected high-quality wire, more durable than other alarms. Delivered quantity: 1 piece (excluding other things)