Push button controlled flasher relay with auto-cancel. Flashes 4 times after a short press, flashes 30 times after pressing between 0.5 to 1 second. Longer press means continuous flashing until next press, pressing both push buttons simultaneously longer than 1 second is the emergency flasher mode. Works with 7-18 Volt and is LED and incandescent bulb compatible up to 60W per side. Dimensions: 38mm x 16mm x 11mm.