ROBUST FITTINGS SUITABLE FOR MULTIPLE OUTDOOR APPLICATIONS – Polycarbonate housing and diffuser – Multiple fixing options – supplied with surface mounting brackets and suspension hooks. Gear tray retaining strap for easy installation. Push-fit terminal block with Stainless steel clips. Supplied with 20mm gland. STEP DIM (CORRIDOR MODE) MICROWAVE SENSOR FEATURES: Operation at 100% light level after last presence detection, reducing to standby dimming level selected after installer selected time delay. Detection Area 10% / 50% / 75% / 100%. Hold Time 5s / 30s / 1 min / 5 min / 10 min / 20 min / 30 min. Stand By Period 0s / 10s / 1 min / 10 min / 30 min / 1hr. Standby Dimming Level 10% / 20% / 30% / 50% Daylight Threshold 2 lux / 10 lux / 50 lux / Disable. Detection Area – Max 14m (ceiling mount) Max 10m (wall mount) Detection is possible through doors, glass panels and thin walls. Great for schools, warehouse and commerical properties.