• maximum range around 100 m (in open space)
• receiver silver/charcoal grey, converter (transmitter) pure white 
• volume in 4 steps adjustable up to approx. 90 dB (A)
• H x W x D receiver 159 x 72 x 45 mm / converter 90 x 65 x 20 mm
• 8 melodies adjustable (call differentiation)
• wall mounting
• visual call signal (3 blue LED)
• switchable to ring only / LED only / ring and LED
• converter with red LED as warning lamp when the batteries are weak
• converter with green LED function lamp
• sound activated radio converter for expanding the existing bell system
• sensor controller from high to low sensitivity
• converter batteries not included (2 x 1,5 Volt LR6/Mignon)
• receiver batteries not included (2 x 1,5 Volt LR14/Baby)
• 256 self-learning radio frequencies with coding switch
• compatible to all HX devices

Note: the transmitter may also react to other acoustical effects as barking or loud ambient noise!