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- Photoelectronic detector detects the smoke by a couple of infrared diodes
- The principle of detecting is granule in the smoke can reflect infrared light
- Infrared diodes are placed in the special chamber
- The chamber can shield external light, but do not affect the smoke into it
- While have no smoke, the diode can receive very weak infrared light
- When the smoke entering the chamber, diode can receive more and more light
- When the smoke attains the certain density, the detector can give out alarm signal
- Adopts the special structure design and ASIC
- Dustproof, mothproof and anti outside light interference feature
- Suitable for detect the smoke in house, shop, hotel, restaurant, office building, school, bank, library, storehouse and etc
- Powered by 1 x 9V battery (Battery NOT included)
- Alarm Indication: red LED flash
- Sound Level: ≥85dB/M
- Color: White
- Net Weight: 94g/ 3.29oz
- Size: 105 x 105 x 35mm/ 4.1 x 4.1 x 1.4 inch
- 1 x Smoke Detector
- 1 x User Manual
|Available Shipping Method||Tracking NO.||Estimated Delivery|
4) For the order with only one item (only one item):
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.
5) For the order with multiple items (multiple items):
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.
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