Non Knocking Plug Heater is an ideal starting plug heater for 4-stroke engines to prevent unnecessary knocking of the engine, resulting in excessive vibration to the engine and airframe.

This plug heater comes with built-in 7.2v NiMh 1700mAH battery and a charging cable for the battery.

To operate this plug heater, you connect the plug heater to the glow plug using a glow clip. Then push the Start button and at the same time, start to spin the engine. The red LEDs indicate the time to ignition. When all the LEDs are lighted, the plug heat will ignite the glow plug and thereby starting the engine without 'knocking'.

Specifications of the plug heater:

• Ignition Delay Timer: Adjustable 2-8sec
• Ignition Current: Adjustable 0.5-6A
• Equipped battery:6 cells 7.2v 1700mAH
• Size: 102x140x58mm