Name: ws-402 150W8 voice alarm

Packing quantity: 10 sets

Packaging: Kraft paper carton, foam box

Features:

1. The signal source is generated by quartz crystal, and the frequency is extremely stable.
2. No contact, long service life, no damage due to long whistle time.
3. The sound quality is good, and it is not affected by vibration, low temperature, high temperature, humidity and voltage.
4. Multiple sounds, up to 8.
5. Keep the voice set by the user permanently without fear of power failure.
6. The installation operation is simple, and the single-wire control is used to convert all kinds of sounds, without additional accessories and any trouble of installation work.
7. Adapt to wide temperature environment,-40 degrees to +65 degrees.