The Vent-Axia VISIONEX MK4 240V PIR CONTROLLER is a wall or ceiling mounted movement detector for use with any domestic Vent-Axia mains voltage product.  Its has an adjustable timer overrun (5-25 minutes). Ambient operating temperature range between 0°C to +50°C. Designed to meet IP43 and double insulated.   The VISIONEX MK4 240V Fits any UK single gang mounting box and is for internal use only with a maximum load of 600W inductive. Not suitable for use with lighting. No switched live required for internal rooms and toilets. Range of detection up to 10 metres. Supply voltage 220-240V/1/50Hz. Volt-free contacts.