Features:Features:50m operating range-extensive coverageNo wiring
required-simple to installCaller indication light-for the bad
hearing16 selectable chimes includedThe number of bells and bell
pushes,can be increased as requiredRemote control is water-proof as
per IP44 approval. Transmission:radioFrequency:433.92 MHZ or 315 MHZCode
number:19683Transmitter power: Loudness level:80dBSpecification: Safety Approval: