Home LCD Carbon monoxide CO detector with security

Home LCD Carbon monoxide CO detector with security.

Features:

• A perfect item for protecting your family from the dangers of carbon monoxide ;Advanced level of protection, easy to read with the digital display, even in low light conditions
• Displays the level of carbon monoxide the unit is sensing; Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed.
• Red LED: When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated.
• Test/Reset button is designed for weekly testing if it works properly and reset the unit during CO alarm
• Alerts users when batteries need to be replaced. This alarm is highly recommended to be mounted on a wall surface

Specifications:

• Power Supply: 3*1.5V AA batteries
• Sensor: Electrochemical CO sensor
• Alarm Style: Per EN50291
• Sensitivity/Alarm Time:
  • Within 60~90 minutes @ 50ppm CO concentration;
  • Within 10~40 minutes @ 100ppm CO concentration;
  • Within 3 minutes @ 300ppm CO concentration
• LCD Displayer (optional): 3 digits LCD displayer
• Audibility: 85dB ( at 1m distance ), Frequency 3± 0.5KHz
• LED Indication /Sound Pattern:
• Standby: Green LED flashes once every 30 seconds
• Alarm: Red LED quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
• Low-bat Indicator:
  • Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD
• Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD
• Power consumption: 0.3mW
• Sensor Life: 3 years
• Operation ambient: 4 ~ 50 Celsius degree, 20% ~ 90%RH
• Mounting: Wall/Ceiling mounting
• Dimension 100mm*35mm, Weight: 0.2kg
• CE EN50291 standard