Nutrix: Wireless Alert And Small Mat Featuring a thirty metre range, the portable pager can alarm and vibrate when activated by the sensor mat. Features: Can monitor either pressure being applied or released from the mat USB rechargeable pager with choice of audio, vibration or both Low battery and broken link warnings Helps to manage and reduce carers workload Includes Small Chair Mat Specifications: Colour: White Guarantee: 12M Return To Base Batteries Required: Yes Model Number: 1510S