Power Source

3 V DC (R14P × 2)

Current Consumption

2 mA during chime and microphone operation
10 μA at no operation

Chime Tones

4-tone chime (up/down)

Microphone

Unidirectional dynamic type

Microphone Frequency Response

200 Hz - 10 kHz

Output

Chime signal: -45 dB*, 600 Ω, unbalanced
(chime volume control set to maximum position)
Microphone: -53 dB, 600 Ω, unbalanced (1 kHz, 0 dB = 1 V/Pa)

Finish

Case: Zinc die casting, metallic gold

Weight

770 g

Accessory

Connection cord (2 m) ……1, Slotted-head screwdriver……1, Windscreen……1