Electric Handheld Power Starter 70111 for 16, 18, 21 Nitro Engine RC Cars 70111 Electric Handheld Power Starter for 16 18 21 Nitro Engine Parts Rotor RC Car This electric starter is a accessory, suitable for grade full vehicle series 16/18/21 class engine. Other vehicle systems are not suitable for this suit. The RC540 motor is used for electric start. It starts at 2-3 seconds each time, and it has frequency like hand start. Do not start continuously for more than 5 seconds when using electric starter, so as not to damage motor or bearing. Please don't use it when the engine is dead, so as not to damage the gear. Material:plastic colour:black Package Contents: 1 * Handheld Power Starter set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.