Product features:Sturdy metal shellFlush-mounted installation Including PROTACT button Wide selection of surfaces Color-coordinated countersunk wood screws includedBright chrome-plated brassTechnical data:Temperature range: -20°C to +50°C Max. 12 V~/= (1.5 A) Min. 5 V= (0.001A) 70 mm x 28 mmInstallation instructions:Note: