These wall version E27 lamps are available, on request, with motion detector. We use high frequency, invisible on the light detectors (so no change design or problem of vandalism). Maximum sconces detection distance: 2-10 m (for installation in 2, 5 m). Lighting time: 5 seconds to 12 minutes. Has a presence or movement detection, the light stays on. Setting ambient light: 45 LX at daylight. Important: luminaires with E27 version detector must be used with a compact fluorescent lamp. This lamp is specifically designed for the stairwells and the entrance halls where ignitions and extinctions are frequent. Although high quality, stainless steel version (316L) brushed shows some sensitivity to corrosion near the sea. Protected by a thin layer d´huile once per year. If a minimum maintenance is not possible, we advise, beachfront, l´utilisation of galvanized steel and solid natural copper versions. (Natural aging for the version copper.) Certified 850 ° C. Manufactured in the European Union.