Voltage:12V/24VItem Type:Strobe Light Origin:Mainland China Specifications Product name: LED bar light 2 sections four sides (magnetic flash bar light) Type: LED roof light (warning light) Product power: 30W Light source: LED Luminous flux: 2500LM Material description: aluminum + PC (lampshade) Working voltage: 12V/24V Lighting mode: constant light + strobe (multiple stroboscopic light modes) Power connection method: cigarette lighter power supply Waterproof grade: IP67 Product size: 38*16.5*7.5CM Applicable models: all Service life: 50000h Installation method: magnetic suction Features 1. Super Bright: 30 Hi-intensity LED chips with high visibility in daylight, midnight, raining or fog days. Improve the driver security and avoid accidents. 2. Easy Installation: comes with 4 Heavy Duty strong magnets (Test go up to 80mph but not fall off). Just need attach the strong magnets on any metal exterior of cars and plug the switch plug. 3. Flash Patterns: 21 different flash patterns with a independent switch to cycle through modes. Memorizes last pattern used (recall last pattern) 4.Compatible with all those vehicles equipped with a 12V/24V power socket. Great for emergency vehicles, postal service, construction vehicle, safety warning etc. Package Contents: 1 x Strobe Flashing Light Bar Note: 1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 2.The measurement allowed error is +/- 1-3cm.