power polarity reversal and electrostatic protection

Battery technology: Alkaline

Connectivity technology: Wireless - 63212

OL - Center Button (1-gang/2-way)[55] - Center Button (1-gang/2-way)[55] #52177 Center button for Ajax LightSwitch

Supported placement: Outdoor

52257.150.BL1 - FireProtect 2 SB (Heat/Smoke/CO) Jeweller Rilevatore ottico Collegamento wireless Nero power polarity reversal and electrostatic52257. 150. BL1 FireProtect2SB(Heat Smoke CO)Jeweller Fire Protect 2 SB (Heat Smoke CO) Jeweller #52257. Detector type: Optical detector, Product colour: Black, Mounting type: Surface mounted. Power source: Battery, Compatible battery sizes: non replaceable lithium batteries, Battery life: 10 year(s). Width: 124 mm, Depth: 45 mm, Height: 124 mm. Quantity per pack: 1 pc. Connectivity technology: Wireless, black color 52257. 150. BL1