Purchased for a communication device, but never used, so it's in new, unused condition. Purchase price: 39,600 yen (tax included) From the manufacturer's HP ↓ It allows switching between switch input and call operation using both connected switches and pulse switches such as piezo sensors. ★ Input operation is possible using a pulse switch that detects subtle movements. ★ One switch can be used for device operation and call operation. ★ Misoperation prevention settings can be configured to prevent input from blinking or involuntary movements. 【Example】 ・Normally operates the communication device, and can make a nurse call when necessary. (A separate call bell is required) ■Specifications■ ★ Power supply: AC100V (AC adapter, DC6V) ★ Size: Width 150 x Length 110 x Height 40mm ★ Weight: 250g (body only) ★ Connection: φ3.5 monaural plug ★ Functions: Call timer, volume setting, malfunction prevention time setting All accessories are included. It has been stored at home for about a year. There are no pets or smoking, but the outer box has some signs of aging. Please consider if you don't mind.