Grothe MISTRAL 300M sw range 500m wireless gong set, 43143

The luxury wireless chime for 'limitless' use Product features: Distance multiplier: any range can be achieved by linking several receiver/transmitter combinations 17 appealing polyphonic melodies (2/3 tone, Westminster, pop, classical, special ring sequence for hearing aids etc.) and SILENCE function with LED control ALARM function with DIN emergency call tone for special situations User-friendly selection of melodies and 500 mJ flash light at the touch of a button. System easyTIP waterproof combi radio button with name plate and LED transmission control 17-fold call differentiation for optimal access control, 20 transmitters can be taught-in Central call: several 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 calls possible Receiver/transmitter pre-programmed at the factory 17 melodies/flash light Distance multiplier Technical specifications: Technical specifications Range 500m, transmission frequency 868.35 MHz Volume max. 86 dB (A), continuously adjustable Receiver: 4x1.5V (type LR14/C, alkaline baby cell, not included) or 8-12V=/~ (socket+terminal, reverse polarity protected) Transmitter: Batteries 2x1.5V (type LR03/AAA, included) or 8-12V= (via terminal) Dimensions: Recommended. 150 x 115x 38mm, transmitter 36x100x17mmColor: black acrylic frontRange 500m* Battery 4x1.5V or 8-12V=/~Installation instructions:Receiver: can be set up, hung up or screwed on, transmitter can be screwed on: can be hung up with a clipCompatible with almost all intercom/bell systems (call forwarding as standard)Control unit easily accessibleNote:*Walls, doors, metal parts, etc. can noticeably reduce the range! If necessary, use the distance multiplier by installing additional radio sets!