Ei Electronics Ei166eRF, Optical detector, Wireless, White, 85 dB, IP20, Surface-mounted
Ei Electronics Ei166eRF. Detector type: Optical detector, Connectivity technology: Wireless, Product color: White. Power source: AC, Input voltage: 230 V, Battery voltage: 9 V. Diameter: 14.8 cm, Height: 70 mm