Product description:
Instrument characteristics
1, can be easily assembled into a multi loop alarm system.
2, semiconductor light-emitting devices, high brightness, soft color, low power consumption, parallel drive, long working life, and easy to replace the lamp screen.
3, single chip technology, photoelectric isolation, built-in buzzer, the whole anti-interference ability is very strong.
4, the plug-in circuit board structure, with the output of the relay node and voltage output and other ways to facilitate the maintenance and operation.
5, the site can be arbitrarily selected normally open or normally closed input mode.
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