YANJEN 9V Battery-Operated Stand-Alone Smoke Alarm
Photoelectric chamber of early detection from all directions; 1-year battery life time; TEST button; Low battery signal; Replaceable battery 1Y/3Y/5Y. The product is smoke detector, it can send out sound and light alarm signal in the early stage of the fire if properly installed and maintained, in that case you will have extra time to control the fire or to evacuate at once. This product is designed for household or similar residential application use.
Product Specifications:
Model | YJ-108 |
Sensor | Photoelectronic |
Power | DC 9V Battery (battery is included, 1-year battery life) |
Low Power Indicate | Audiovisual Alarm(7-15minutes) |
Alarm Sensitivity | 0.1~0.25dB/M |
Alarm Current | ≤15mA |
Alarm Output | Audiovisual Alarm, 85db/10 feet |
Working Environment | Operation Temperature-10℃~+55℃, Operation Humidity: <95% |
Dimension | 100Φ*38mm |
Package | 100 pcs/carton, carton size:60*53.5*25cm. Gross Weight: 16.5Kgs/carton. |
Product Details:
Battery included, test button on the top, red LED indicator.
Application:
Bedroom installation is recommended. Do not install it at the dead corner of the room.

Delivery:
Shipped by sea, economical, long delivery time.
Shipped by DHL, TNT, FedEx etc, quick delivery, much more freight costs.

The Area To Install The Smoke Detector Test Function
1.Smoke detector should be installed at the top of a high pointed ceiling as the smoke rising in the air. For flat ceiling, please refer to the position shown in picture 2-1.For inclined ceiling, please refer to the position shown in picture 2-2. (No installation in black Dead Air area.)
2. There should be no shelter within 0.5 m of the detector.
3. Smoke detector cannot be installed too close to the gas cooker. For the alarm performance will be decreased if burned by the gas cooker.
4. Smoke detector can not be installed in the kitchen so as to avoid false alarms caused by cooking fumes or the inlet air is plugged and affects the sensitivity of the detector.
5. Smoke detector can not be installed in the places with high humidity such as bathroom and hot water stove.
6. If the room is large, the distance between two detectors shall not exceed 10 meters.
7. Choose the right installation placement.
8. Drill 2 round holes with 5mm diameter on the ceiling.
( Distance between the two holes is 75-80 mm)
9. Use the enclosed two expansion rubber and plugs into the
holes.
10. Install the mounting bracket of the smoke detector on the ceiling.
by using the two screws enclosed.
11. Install the smoke detector battery to the mounting bracket.
Note: Step 3 and 4 can be ignored if it is mounted on a
wooden ceiling.
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