* Maximum range approx. 200m (in the open field) * Silver / anthracite, transmitter black * Infinitely variable volume control from approx. 70 to 90 dB (A) * H x W x T Receiver 120 x 120 x 28 mm / transmitter 34 x 96 x 20 mm * 8 melodies adjustable (call distinction) * ON / OFF switch * Wall mounting * Warning lamp (red LED) when the batteries become weaker * Transmitter water jet protected IP55 with name plate and LED function light * Incl. 1 x 3 Volt CR2032 battery * Receiver batteries not included (4 x 1.5 Volt LR6 / Mignon) * 256 radio frequencies self-learning with coding switch * Compatible / expandable with all HX devices