Check the listing for details. EMERGENCY VEHICLE LED STROBE FLASHER MODULE, 2 CHANNEL, 16 PATTERN. Condition: New. Listed at 29.95 USD. Two Channel 16 Pattern LED Flasher Module A favorite of fleet maintenance managers everywhere. Simple to program via switch selection on the module. The product features high side wiring for common negative ground vehicles. Outputs incorporate solid state relays for quick and accurate response. Very small in size to allow installation in tight areas of a vehicle. Compatibility tested with a wide variety of LED lamps, light bars and light heads. Choose from strobe, pulse and random patterns from details in the instructions. Made in the USA by Longview Micro. SPECIFICATIONS: Dimensions: 3.0 inches wide X 1.5 inches high X 11/16 inch deep. (75x39x18M) Weight: 1.6 Oz (45 grams) Housing Material: Black ABS plastic, rustproof & moisture resistant. Output Channels: 2 Flash Patterns: 16 Flashes per Minute: 90~1460 Operating Voltage: 8 ~ 30 volts DC (Reverse polarity protection internal) Maximum Current Draw: 3,000 milliamps (3 amps) Maximum Power Load: 57 Watts FLASH PATTERNS: Alternating Quad Strobe Alternating Triple Strobe Alternating Double Strobe Alternating Single Strobe Simultaneous Quad Strobe Simultaneous Triple Strobe Simultaneous Double Strobe Simultaneous Single Strobe The Sheriff (Proprietary) The Trooper (Proprietary) Simultaneous Single Pulse Alternating Double Pulse Alternating Single Pulse (Wig-Wag) Random Strobe Patterns Random Pulse Patterns Random Strobe & Pulse Patterns Wiring Guild: Blue: Anode or positive output for channel A Yellow: Anode or positive output for channel B Red: Positive 12 volt Input source Black: Ground or negative 12 volt input source Note: Led cathode or negative leads connect to ground.