*Complied with environmental criteria.
*no chemicals.        
*chases moles,voles,gophers and burrowing rodents.
*runs on solar energy,24h-autonomy with battery.
*weatherproof and UV-resistant.
*range:about 800 Square metre.
*frenquency:400hz.
*dimensions:φ155*340mm.  
*power:0.2w.
*rechargeale battery(incl.):NI-CD,1.2v/800mah.