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Photoelectric and Heat Combo / Combination Smoke And Co Detectors With DC Power

Photoelectric and Heat Combo / Combination Smoke And Co Detectors With DC Power

Place of Origin : Shenzhen, China
Brand Name : Lydian
Certification : CE
Model Number : LYD-412-DC
MOQ : 100PCS
Packaging Details : Gift Box or Blister Card
Delivery Time : 3-15 days after receipt of 30% T/T Deposit
Payment Terms : T/T, Western Union
Supply Ability : 100000 Pieces per Month
Gift Box Size : 150*55*150mm
Carton Size : 770*510*310mm
Usage : smoke or carbon monoixde leakage protection
Material : ABS or Other plastic
Power Supply : 9V back up Battery
Sensor : Photoelectric and Heat Sensor
static current : < 10 uA
alarm current : < 35mA
LED Indication : Alarm and Low battery warning
Hush Button : Temporary silence function
Dimension : 120* 38 mm
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Photoelectric and Heat Combo / Combination Smoke And Co Detectors With Alarm LYD-412-DC

Quick details

* 9V battery operated
* Photoelectric and electrochemistry Sensor
* Test and reset Button
* With factory price


Loud 85 decible alarm.

* Permanant carbon monoxide sensor.

* Powered by one 9V battery.

* The alarm sound pattern is pulsed four short alarm beeps for co alarm and continuous beeps for smoke alarm.

The sound pattern is smoke pattern as co and smoke occur simultanously. The red LED will flash while in alarm mode.

* One 'chrip" every 30 seconds is an indication that the battery is low (Need replacement) or the unit is malfunctioning.

* Test Button to test units monthly.

* Green and red LED light that indicate normal operation and alarm status.

* The unit will sound ‘chrip" and red LED flashes once as powered up.


* Power Supply: One 9V carbon Zinc Battery

* Sesitivity Setting:

Co: alarm density:

30ppm, alarm not activate within 120 minutes

50ppm, alarms within 60-90 minutes

100ppm, alarms within 10-40 minutes

300ppm, alarms within 3 minutes

Smoke: 1%-5%/FT OBS

* Standby Current: <25uA

* Alarm Current: < 45mA

* Operation Ambient condition: 5-40 degree and 20%-90% R.H.

Technical Parameters:

Working Voltage

9V battery Operation


Photoelectric and Heat

Working Temp. Range

-10°c ~ +50 °c

Humidity Range

10% ~ 95% Relative Humidity (RH)

Alarm Output

Sound&Flash Alarm; 85dB/3m

Alarm Sensitivity

Smoke Sensitivity: 2.06%/ft, Temperature trip point: Fixed 135°F(57°C)

Static Current


Alarm Current





Q: 1. Can I have a sample order?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q: 2. What is the lead time?

A:Sample needs 1-3 days, mass production time needs 10-15 days for order less than 5000 pcs.

Q: 3. Do you have any MOQ limit?

A: Our MOQ EXW is 100 pcs under neutral gift box; MOQ FOB is 1000pcs. MOQ for OEM is 2000PCS.

Q: 4. How do you ship the goods and how long does it take arrive?

A: for samples, We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive.

for cargos, you can choose sea or airline service by your needs.

Q: 5. How to proceed the order if I have logo to print?

A: Firstly, we will prepare artwork for visual confirmation, if the color and position are alright, we would make sampling first from silk print factory and take picture for your second confirmation before mass production.

Q: 6. Do you offer guarantee for the products?

A: Yes, we offer one year guarantee for the products.

Q: 7. Do you accept drop shipping?

A: Yes, it’s available.

Why Always Lydian?

* Professional experience and ability to accept and fulfill ODM/OEM orders.

* Answer your enquiries, questions and emails in 24 hours

* Direct control on material, testing, quality, lead time ect.

* Flexible Payment terms ranged at different quantity

* One year warranty life for all detectors sold out from Lydian

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