2-in-1 Smoke and Carbon Monxide Detector with 10-Year Battery Life Photoelectric Ionization Fire Alarm Battery Operated Fire Alert Smoke Alarm Easy to Install for Home ( Item#: E13452-1 )

An accurate, reliable and highly sensitive detector with photoelectric and ionization sensors for smoke and carbon monoxide that must have in home.

Features:
2-in-1 Smoke and Carbon Monxide Detector: Detects smoke from paper/wood/liquid burning and simmering, and carbon monoxide from uneven burning of gas/fireplaces/wood, cooking, garage car exhaust, coal burning, etc.
Timely Alert: The 85dB timely buzzer and rapid flashing red indicator light can remind you in 24 hour to protect you and your families.
Fault Detection: When the smoke sensor is short circuited on disconnected, the smoke detector will automatically detect and send a fault signal.
Long Battery Life: With built-in lithium battery, supports up to 10 years of battery life for continuous interrupted 24/7 protection.
Test Function: Press the test button to check if the fire alarm works correctly and ensure its sensitivity.
Reliable Quality: Made of flame-retardent material ABS; complies with the UL217 standard; no battery changes required... it lasts to use.

Note:
*Clean alarm monthly. Test weekly.
*Avoid extremely dusty, dirty or greasy areas.
*Instructions labels on the device, you don't worry about losing user manual or instructions.
*For best protection, smoke and carbon monoxide should be installed in every 12 square meter in the house.
*AJ-933, AJ-938 and AJ-939 are only differ in appearance.

Function Description:
Normal: 1 green led flashes, 1 minute pause.
Smoke alarm: 3 beeps with 3 red led flashes, 1.5 seconds pause.
CO alarm: 4 beeps with 4 red flashes, 5 seconds pause.
Low battery: 1 chirp with 1 yellow led flash, 60 seconds pause. Replace alarm required.
Trouble: 2 beeps with 2 red flashes, 60 seconds pause. Replace alarm required.
End of life: 2 chirps with 1 yellow flash, 60 seconds pause. Deactivate and replace alarm.
Manual trigger button test: 6 buzzers with 6 red flash, 8 buzzers with 8 red flash.

Specifications:
Material: ABS (fireproof)
Color: White
Model: AJ-933 / AJ-938 / AJ-939 (optional)
Technical Specs:
Smoke Sensor Type: Photoelectric
CO Sensor Type: Electrochemical
Working temperature：-10℃~+50℃
Alarm sound: ≥85dB (3 meters)
Relative humidity: ≤95%R.H.
Smoke sensitivity: 1-3%ft
Alarm mode: Siren with flash (Buzzer & Red LED)
Operating voltage: DC 3V

CO Alarm concentration:
70ppm: 60~240 min
150ppm: 10~50 min
400ppm: 4~15 min

Item Size: 13.5*3.5cm / 5.31*1.37in
Item Weight: 270g / 9.52oz
Package Size: 15*14*5.5cm / 5.9*5.51*2.16in
Package Weight: 315g / 11.11oz

Packing List:
1 * Smoke and Carbon Monoxide Detector
1 * Mounting bracket
2 * Screw
2 * Anchor plug
1 * User manual