Just buy a proper type lamp £60/70 bucks and a 12amp 12v lead sealed battary of ebay £20 Bucks..then ur giving your dog best chance at night...instead of those toy lamps..I've seen it quite a few times with theses cordless or supa torches great as a back up..but if you came with me on a night I would tell u to lev those in yer pocket and would be using proper lamp...there not as good end off and I've seen a few