Manual : http://www.gatee.eu/images/gate/instrukcje/picoAAB-en.pdf - Extremely low-profile MOSFET unit ( 6x9x33 mm, PCB with surface mounted components, excluding shrink and wires ) - 3rd Generation design with Active Brake - Works with high performance battery packs up to 14.8V Li-Po - Suitable for most AEGs and replace mechanical trigger switch - Original trigger switch remains as a signal switch - Removes power loss from mechanical trigger switch - Prevents damage from electric arc burning trigger switch - Circuit board constructed with surface mount technology - Equipped with MOSFET for higher efficiency and faster trigger response Installation consists re-wiring and soldering work, recommended for experienced users. Signal wires included