The C-Tec QT604 Quantec Monitoring Point is a reliable and durable monitoring system designed for emergency alert systems. It features a red/green reassurance LED indicator, making it easy to quickly identify if the device is isolated. This monitoring point, weighing only 90g and made of plastic, has an IP rating of IP41 and can operate in temperatures ranging from -5°C to +40°C. With dimensions of 87mm W x 87mm H x 29mm D mm, it is compact and designed to be mounted on a standard UK 25mm single gang flush or surface back box. Overall, this monitoring point provides peace of mind and assurance in emergency situations. Bought for a job but was not needed, hence selling. Any questions please shout.