Not in place. The handbrake is put down, but the switch is not pressed. At this time, the personnel needs to repeatedly confirm whether the handbrake is in place. If the handbrake is not pressed in place, the handbrake light will stay on. The cotton picker is a new invention and patented product. It is a handheld micro-electric cotton picker. The picking efficiency is about twice that of manual work. Cotton farmers can recover the cost in a few days, and the hands do not hurt and the waist is not tired.