This is a Tower Power Long Glo-Starter with Meter and Battery Charger. This is used to heat Glow Plugs while starting glow powered engines. FEATURES: Proven Twist and Lock Connector ensures a secure, solid connection that won"t come off, providing safer, faster starts for your model. Included meter monitors glow plug condition and battery charge level. Pre-Installed Genuine Sanyo Sub-C battery cell enclosed in a blue rubber protective cover. Included AC battery charger with nut-shaped charge end recharges the Glow Starter in 10 hours. A red LED light comes ON when charger is charging. Removable blue rubber socket cap prevents shorting and any dirt or dust debris from entering into the the shaft. One Year Limited Warranty USA and Canada only. INCLUDES: One Tower Power Long Glo-Starter w/meter and blue rubber cap One Tower Power Glo-Starter Battery Charger One Instruction/Shipping Box SPECS: Sanyo Sub-C NiCd Battery: 1600mAh, 1.2V AC Charger- Input: 110-120V AC 60HZ (US Standard) Output: 1.25V DC 150mA Starter- Overall Length: 6-1/4" (158mm) Shaft Length: 4" (102mm) Diameter: 1" (25mm) COMMENTS: How to use: To lock onto your engine"s Glow Plug, place the end of the Tower Power Glo-Starter over the plug and push down. Twist the Glo-Starter clockwise and it will lock into place. Charging: Before using, initial charge should be 12 to 14 hours. Subsequent charging time is approximately 10 hours. For Tower Power Short version with meter, use TOWP1192. For Tower Power Long version with/out meter, use TOWP1191. ** Included meter monitors Glow Plug condition and battery charge level only, and will not work until hooked to the glow plug. JAL 8/26/99 ir/jl updt jxs 4/13/04