The NERO-REED is a slim-line rechargeable battery powered sensor that can be used to detect if a door or window is opened or closed. It includes extremely small magnetic strips to allow for easy installation.
Your Sensor’s battery
Your NERO-REED has a internal rechargeable lithium battery that will last on average, 6 months on a full charge. The charger’s output should be a micro USB terminal with the specification of output DC 5V/1A. When the Door Window Sensor is in charge state, the orange LED will be on. If the orange LED is off and the green LED remains on, then it indicates that the battery charge is complete.
Power supply: Rechargeable Lithium battery, 3.7 V, 500mAh.
Battery charger input: Micro USB port, DC 5V±0.5V, max 1A.
Operating temperature: 0°C to 40°C
Water proofing: IP20 (Indoor use only).
Operating distance: 20 meters no obstruction