Smoke Detector with 10 Year Battery and Easy Test, 9V Lithium, 85 dB
m-e RM 210, Battery, 9 V, Lithium, 10 year(s), 4.21" (10.7 cm), 1.06" (27 mm)
m-e RM 210. Power source: Battery, Battery voltage: 9 V, Battery technology: Lithium. Diameter: 4.21" (10.7 cm), Height: 1.06" (27 mm). Certification: EN 14604, BS, CE