1. Quick powver start reponse and easy operation 2. Magnet installed for easy screws collection 3. Three Glow plug position holes provde good resting for glow plugs while you perform maintenance 4. High powerful motor, two7.2v 1800mAH batteries or one 12V 7A accumulator power supply required 5. Long solid support posts and solid pressure plate for high stability of vehicle landing. How to use this starter box: 1. This starter box requireds to be powered with two 7.2V/ 1800mAH batteries or one 12V/7A accumulator or above. 2. Always check the battery power. Engine is most likely to stall and start procedure may prove difficult by low battrey level. Please notice that No Battery is not included, it's a starter box only.