Telephone initiated signaling, Explosion Proof Signalings, Penang Qlightec, Qlight
Product Feature
Features
- Large explosion proof warning/ signal lights with excellent visibility for long distance
- Telephone Initiated Signal beacon triggers built-in alarm sound that is activated by 25Hz Telephone Ring Signal
- Highly noticeable Telephone alarm in noisy environment
- Telephone line(2 LINE) is connected to PSTN telephone
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