Waterproof Gas Detector BS-685 with Relay for Fire Detection Panel 921685000

Telephone Beacon Siren for General Use 105dB BS-505/WP 220-240V 921505001

The electronic BS-505 telephone beacon is connected to the telephone line in parallel with the telephone set. It produces a loud sound and light during an incoming phone call.

It finds uses in noisy places where it is not possible to hear the usual ringing sound of a common telephone such as factories, construction sites, workshops, cafes, etc.

Characteristics:

• Voltage: 220V - 240V
• Height (cm): 9
• Length (cm): 14
• Noise level (dB): 105 dB