This is the LRP Aluminum Glow Plug Ignitor. The LRP glowplug igniter features a voltage meter in the cap that will let you know if the glow plug in the engine is damaged (red=broken, green=ok). This igniter works with any 1.2V Sub-C cell on the market that can be easily changed if the cell is damaged or needs to be recharged.
This product was added to our catalog on March 10, 2014
Monday, Sep 1 2014 (about 4 years ago)
LRP Aluminum Glow Plug Igniter w/Checker (Blue)
(4 months)May-sept, (using racers edge 4400mah battery:) from amain.com)
No problems so far the spring was a little to soft for "my liking" so i changed it for more clamping power on to the plug.