Features: 
Generation III high power LED, surface mount warning light head 
Weather and vibration resistant 
Pre-programmed multiple flash patterns 
Alternating or simultaneous flashing available 
Mounting: Screw permanent (2pcs ST3.9*20mm) 

Technical Specifications: 
Voltage: 12-24 VDC 
3 PCS of 1W LED 
LED cover available: Amber, blue, red, white 
Colour options: Single color(10 kinds flash pattern) or dual color(15 kinds flash pattern) 
Lens: TIR 

Dimensions: 
4" wide X 3/4" high X 1.4" deep 

Flash Patterns: 15 kinds 
The wires length of exposure: 180mm 
The Red wire: VIN+ (ON/OFF 1) 
The blue wire: VIN+ (ON/OFF 2) 
The Black wire: VIN- 
The Yellow wire: SYN/Flahs pattern charge