120dB 9V Wired Siren Horn Speaker for GSM Security System Alarm

Description : 120dB 9V Wired Siren Horn Speaker for GSM Security System Alarm When the Siren Horn is alarming,120dB sound will break out, It will help you/your neighbors of vigilance, and scare away the burglar out of your house. A necessary item for the home security system. Specifications : Rated voltage : 9VDC Rated current : 100-150mA Sound index : 120dB Dimensions: 52x52x48 (mm) Compatible : 3.5 mm Interface Sound frequency : 3.8KH2+10% Package included : 1 x 120dB Wired Siren Horn Details pictures :