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By certification 
Features:
Generation III high power LED, surface mount warning light head
Weather and vibration resistant
Housing: Aluminum
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 3W LED
LED cover available: Amber, blue, red, white
Colour options: Single color(12 kinds flash pattern) or dual color(17 kinds flash pattern)
Lens: TIR
Dimensions:
4.2″ wide X 3/4″ high X 1.4″ deep
Flash Patterns: 17 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
Generation III high power LED, surface mount warning light head
Weather and vibration resistant
Housing: Aluminum
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 3W LED
LED cover available: Amber, blue, red, white
Colour options: Single color(12 kinds flash pattern) or dual color(17 kinds flash pattern)
Lens: TIR
Dimensions:
4.2″ wide X 3/4″ high X 1.4″ deep
Flash Patterns: 17 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
