Part Number 400E Grothe Mistral 400E, Additional Plug-in Wireless Chime. The most robust and sophisticated plug-in doorbell on the market, with up to 500m range and offering 83dB volume, LED strobe light and 17 melodies. The chime operates in the 868MHz range to avoid problems with interference. Use this additional chime unit to extend an existing Mistral doorbell system

up to 500m range, Metal frames, ( thick walls and UPVC frames will reduce the operating distance). Adjustable Volume Controls, Sleep mode & mute. To Listen to Sound Samples, Click Below : Download Instructions, Click Here : [ 400D Instructions ] [ Click to Enlarge ] Options Additional Plug-in Chime Unit : Click Here [ 400E ] Additional Battery Chime Unit : Click Here [ 600E ] Additional 250m bell push button : Click Here [ 600P ] Additional 500m bell push button: Click Here [ 600PSE ] Optional Period Style Wireless Bell Pushes: Click Here [ Period ] Specifications Dimensions - Door Chime 125 x 62 x 45mm deep (excluding pins) Chime unit only. Sound Level dB@1M, 83db (Can be heard 75m away) Up to 500m range (in Open Field and at suitable conditions). Metal Frames , thick walls And UPVC door frames will reduce the operating distance. Optional 250m and 500m bell pushes available. No of tunes available, 17 Special alarm function with emergency call tone for special situations. Up to 17 bell pushes can be used with a single chime. Operating frequency, 868MHz. Operating temperature range for all chimes and pushes is -5°C to + 40°C.