Wireless Waterproof Tamperproof Solar Siren with Strobe Excellent value great quality - Waterproof casing for outdoor use; - Full Tamper Protection (it will alarm if someone want to remove or destroy the solar siren); - Battery Back-Up for outside siren; - Continuous Strobe Lights for 24 Hours Visual Protection; - The siren hooting time can be set 1-8 minutes; - It can work independently with our...Wireless Waterproof Tamperproof Solar Siren with Strobe Excellent value great q...