Ei Electronics Ei366RF, Optical detector, Wireless, White, 85 dB, IP20, Surface-mounted
Ei Electronics Ei366RF. Detector type: Optical detector, Connectivity technology: Wireless, Product color: White. Power source: AC, Input voltage: 230 V, Battery voltage: 9 V. Diameter: 5.98" (15.2 cm), Height: 2.56" (65 mm)