Wheelchair sensor M8350 1 piece

A sensor is placed on the wheelchair seat (can be placed "under" the cushion) and an alarm will sound when the weight is no longer supported on it. You can be notified with two types of alarm sounds or a recorded voice. It starts automatically when you sit down. Quantity: 1 Alarm: Alarm sound (2 types), recording (1 type) Volume: 3 levels Alarm unit size: 78 x 120 x 30 mm (including mounting holder) Sensor size: 300 x 300 mm Power supply: 3 AAA batteries (included for testing) Battery life (approximate): Approximately 3 months *This may vary depending on the type of batteries used and how often the device is called. Set contents: 1 alarm unit (with mounting holder), 1 wheelchair sensor