Signal generator AC 8 - 12 V ~ / DC 12 - 17 V, AS series, white Signal generator, white (complete with supporting ring, screw fastening) Volume: approx. 82 dB(A) (tone color 1, approx. 800 Hz) at a distance of 1 m and AC 12 V ~ (piezo, with tone generator) approx. 96 dB(A) (tone color 2, approx. 3000 Hz) at a distance of 1 m and AC 12 V ~ (piezo, with tone generator) Connections: ~ 1 tone color 1 (approx. 800 Hz)~ 2 tone color 2 (approx. 3000 Hz) Current consumption: approx. 24 mA at AC 12 V ~approx. 12 mA at DC 12 V