Black & Decker PV1820L 18V Lithium Pivot Dustbuster "16 port" while the portable kit includes

while the portable kit includes a 19ft air hose

It can both work alone as a recorder and cooperate with other devices to build a comprehensive surveillance system

Note: TK series Twin Beams are 'Single Channel' units for simple beam systems

For other applications add only sufficient component A to provide a suitable consistency

Uses minimal power from the fence

Black & Decker PV1820L 18V Lithium Pivot Dustbuster "16 port" while the portable kit includesProduct Description A black+decker dustbuster pivot cordless handheld vacuum gives you the performance you need to clean any surface around the home. the patented nozzle design pivots up to 200 degrees, helping you to access awkward spaces from any angle. the flip out soft brush is ideal for delicate surfaces, whilst the integrated extendable crevice makes cleaning between sofa cushions and car seats quick and easy. the 18v lithium ion battery