TIGREZY -High quality products ; and customer service customer satisfaction a reasonable price Color: white Size: 11*11*4CM Weight: 100G (without 3 AA batteries)< br />Package Content: 1 x CO Detector (Battery Not Included) Features: Loud Alarm (85 decibels) Power of Standby: lt;50uA (without LCD); lt;200uA (with LCD) Alarm current: lt;75mA Operating ambient conditions: 540℃2090% RH Powered by 3 x 1.5V AA batteries (no batteries included) Four short beep alarm modes TEST/RESET button will stop alarm and test functionality Advanced Protection With LCD display, the device status is easy to see Alarm Memory Features Features: Model Number: JKD-602. An electrochemical carbon monoxide sensor, the most accurate technology, is equipped Easy to install and use. The permanent sensor remains effective even up to 5 years. This is a carbon monoxide detector and cannot detect flammable gas (such as liquid gas, natural gas, methane, etc.) A perfect item to protect your family from the danger of