Comparing 3 Products

Description 12V DC operation Beam length max. 7m Adjustable speaker and siren/bell - adjustable 3-30 seconds 10m inter-connecting cable supplied On/off switch Easy to install (brackets supplied) Internal use... Reflected beam operation Mains transformer supplied (x2 Plug-in) Chime/siren sounder operates when beam path broken Wireless range up to 100m (sensor to sounder line of sight) Beam length max... Easy to set up, large 80mm diameter reflector Beam length max.14m Wide voltage range Adjustable sensitivity and response Pre-wired 2m cable Only requires connection to photocell Volt free...
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