This is a Standard PROGLO Starter Clip w/Charger. FEATURES: This all metal clip attaches to the Glow Plug with a positive lock to keep it locked to the plug so it won"t vibrate loose. Has a convenient charger to charge your typical 1200mAh sub-C cell in about 10 hours. Sub-C battery is not included. INCLUDES: One Standard PROGLO Starter One Charger SPECS: Shaft length: 1-1/2" Charger output: 120mA at 1.25V Charger Input Voltage: 110V AC (US Standard) REQUIRES: One Sub C cell - recommend SANP0255 COMMENTS: This clip will work great with most aircraft, but not very well with some car engines as it is quite short. gab10/19/93 ir/jl