Thermistor, 9V Alkaline, 58°C, 85 dB, 200 g, Ø 115 mm, White
Ei Electronics Ei603C, Fixed temperature heat detector, Wired, 58 °C, Surface-mounted, White, 85 dB
Ei Electronics Ei603C. Detector type: Fixed temperature heat detector, Connectivity technology: Wired, Fixed temperature point: 58 °C. Power source: Battery, Battery voltage: 9 V, Battery technology: Alkaline. Diameter: 4.53" (11.5 cm), Height: 2.17" (55 mm), Weight: 7.05 oz (200 g)