Material: Plastic - Model: CO-2088 - Color: White - Quantity: 1 - Power supply: 4.5V 3 x AA batteries (not included) - Remote controlled distance: Within 3 meters - Voice decibels: 85dB - Battery type: Nickel light battery - Screen display: 1.2" - Installation temperature: 4'C~38'C - High sensor sensitivity for carbon monoxide and to avoid the occurrence of false alarms - Manual test function - Alarm concentration: 150PPM (+ / - 50PPM) CO gas - Quiescent current: - Alarm current: - Operating temperature: 4'C~38'C - Operating humidity: 25%~85% - The red LED will flash while in alarm mode - One "chirp" every 30 seconds is an indication that the battery is low - This carbon monoxide alarm is designed to detect carbon monoxide gas from any source of combustion - It is not designed to detect any other gas - 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 - Packing list: - 1 x Carbon monoxide detector - 2 x Screws - 2 x Stoppers - 1 x English user manual