Package Contents:1 x Starter Reliable start-up: simple and direct structure, low mechanical failure rate. No battery required: does not rely on external power sources or batteries, and there is no problem of being unable to start due to battery depletion. Easy to operate: start by pulling the rope, intuitive and easy to learn, without the need for complex steps. Easy maintenance: The structure is not complicated, and daily maintenance and cleaning work are relatively simple. Item Weight 1.76 ounces Manufacturer NYWRYSDBM Item model number NYWRYSDBM Product Dimensions 0.39 x 0.39 x 0.39 inches