This is a buzzer for practicing switches to support play and communication for children with disabilities. It can also be used by adults. Handmade. Switch and batteries not included. 【Specifications】 ・Buzzer: 3.0V ・Sound: "Beep" ・Battery: 2 AAA batteries ・Connection to switch: 3.5mm mini-jack (female) ・Types of switches and sound: With a momentary switch (ON when pressed, OFF when released), the buzzer sounds only while pressed. With an alternate switch (ON when pressed, ON when released, OFF when pressed again), it sounds once when pressed and stops when pressed again. ・Component fixation: Hot glue, heat shrink tubing 【Price and Shipping】 ・Discounts are not available. ・Shipped via Yu-Yu or Rakuraku Mercari delivery. ・Other switches etc. are also on sale. 【Usage Examples】 ① Press and immediately release the switch in time with the supporter's call, "One, Two, Three (Bee), One, Two, Three (Beep)." Decide to press on "Three". ② Press the switch on "Three" in time with the call, holding it down for a longer "Beeeeeep". ③ Press the switch twice on "Three" in time with the call. ④ Use it for confirmation of intent. Decide that "Yes" means one beep and "No" means two beeps. ⑤ Use it as a game. The supporter reads the numbers in order from 1, and press the switch for multiples of 3. 【Important Notes】 ・There is a slight time lag before the sound plays. ・The buzzer may not keep up with rapid switch presses. ・Do not use for life-critical purposes (such as nurse call). #ChildrenWithDisabilities #Disabled #WelfareEquipment #NursingCare #Switch #Toy #Buzzer #SwitchPractice #PuerOnline #TherapeuticEducation #Rehabilitation