Touch flush sensor plate featuring audible alarm to warn when batteries are low and a manual override. Recommended for wall hung frames or in-wall installations. Requires 4 x AA batteries (not supplied). When used within a furniture concealed cistern, a clearance of 105mm must be left between the cistern and front fascia surface to allow adequate space. Compatible with Dual-Flush Concealed Cisterns with 2 Pneumatic Air Hoses Surface Mounted Glass Construction Sensor Operation with 0.01m Range Low Battery Power Alarm Manual Override Flush Powered by 4 x AA Batteries (Not Included) Compatible with Dual-Flush Concealed Cisterns with 2 Pneumatic Air Hoses Surface Mounted Glass Construction Sensor Operation with 0.01m Range Low Battery Power Alarm Manual Override Flush Powered by 4 x AA Batteries (Not Included)