It can work at DC3 to 12V, but it will not or little flashes when the power below 9VDC.Features:This Mini Wired Strobe Siren will sound&flash when it connect power. It is used together with the alarm security system usually, loud with 110 dB and strobe. Replace the old or broken sirenEasy to install, wired design let you directly connect with your alarm security systemSound 110dB and RED strobe ABS Housing, durable for long term useSpecifications:Working Voltage: DC9 to 12VRated Current: 280mASiren sound: 115DB/1MSize: 120 x 70 x 48mmMaterial: ABS housingColor: red & whiteNet Weight: 89.2gPackage Includes:1x Mini Wired Strobe SirenScrews for installation
Mini Wired Strobe Siren Size: 120 x 70 x 48mm(4.7"x2.75"x1.9")
