30 days in passive activation mode on ordinary alkaline batteries depending frequency of passing traffic. (Powered ON mode lasts only up to 48 hours so rechargeable LiIon batteries are recommended for this mode). Made from thick wood and perspex type plastics in BRANDNEW condition heavy duty construction.
Measures (14") 350mm L x (3/1/2") 90mm H x65mm D (approx weight 460grams 16 OZ).