12V LED Security Alarm Strobe Signal Warning Lamp Blue Red Flashing Light Specification: Rated voltage: 12V DC Rated current: 120mA Strobe rate: 90s \/ minute Diameter: 7.2cm Height: 4cm Lamp cover color: blue， red Feature: Led strobe flashing light Suitable for security sentry box， entrance， etc. Also ideal for construction site as a warning lights Note: This product only has flashing light warning， no sound. Package included: 1 x Alarm Signal Lamp 1 x Paster 2 x Bases 4 x Screws