Grothe Radio bell complete set with B

17 appealing polyphonic melodies (including 2-/3-tone, Westminster, classical, pan flute, timpani, glockenspiel, dog). User-friendly melody selection and two alternately flashing super-bright white strobe LEDs. Alarm function with DIN emergency signal for special situations. Distance multiplier: any range can be achieved by linking multiple receiver-transmitter combinations. Transmitter: wireless motion detector, maximum monitoring range of 15 m at 108°, optional range of 200 m (open field). Range can be precisely adjusted with interchangeable lenses (accessory), walk test with LED display. 17-fold call differentiation for optimal access control, up to 20 transmitters can be learned. Central call: multiple receivers can be controlled by one transmitter. Individual call: each receiver can be individually controlled by additional transmitters. Matrix call: combination of central and individual call possible. Receiver/transmitter factory pre-programmed. Simple programming of additional transmitters at the push of a button. System easyTIP: visual and acoustic indication for weak batteries of receiver and transmitter. 4-position slide switch for setting the call signal (1-melody/flash, 2-melody only, 3-strobe only, 4-mute).