This is a switch designed to support play and communication for children with disabilities. It can be pressed with a light touch. It has a click feel. It is thin and light, making it easy to carry. It also fits in the palm of your hand. The type of microswitch varies depending on the product. 【Specifications】 ・Operating characteristics: Microswitch, momentary (ON when pressed, OFF when released), click feel ・Plastic case specification with one side fixed. Operate by pressing the opening side of the plastic case. ・Cord: Approximately 1.5m (3.5 mono mini plug)・Operating force: 20-40g ＊The g displayed when the switch is placed on a kitchen scale and pressed until it turns ON is listed. ・Diameter: 28mm x 55mm x thickness 13mm ・Parts fixation: Hot glue used ・Contact adjustment: Fine adjustment of contact with the microswitch with a sticker 【How to use】 ・Use by connecting to a 3.5 mini jack. ・Connect to a BD adapter, etc., and use the switch to turn toys on and off. ・If you cannot hold the switch yourself, you can attach Velcro or cotton flat cord to the back of the switch and wrap it around your hand to secure it. ・You can also fix it to a wheelchair or bedside in the same way. ・You can decorate the switch surface with your favorite masking tape for a cute look. ・Do not connect to life-sustaining equipment (such as nurse call systems). ・The contact with the microswitch may loosen due to deformation of the plastic case (aging or temperature). In that case, adjust the contact by applying cellophane tape to the inside of the case lid to thicken it. 【Other】 ・We do not offer price reductions. ・We may change the shipping method between Yu-Yu and Rakuraku.