[VIP第1年] 指数:7
通过认证 The switch of the force grabber of the utility model meets the requirements of providing warning signals during work, and provides a comfortable hearing alarm sound, so that the on-off of the force grabber and the working alarm can be realized simultaneously
when the contact switch is pressed, the cost is low, and the operation can be realized with only four yuan, and the production is simple and convenient.
