supply of miscellaneous items :-non contact infra red thermometer , range - 18 to 260 deg . c , red laser beam , accuracy 2% , lcd backlit , d:s 6:1 , with case , battery , raytek model minitemp mt 4 . , heat shrinkable pvc sleeve , size 12 / 4mm ( shrink ratio:3 ) colour balack , heat shirinkable pvc sleeve ( tubing ) size: 24 / 8 mm . ( shirnk ratio: 3 ) , c olour: black . , heat shrinkable pvc sleeve ( tubing ) , size:6 . 4 / 3 . 2 mm . transperent . . . hwp . , aa size alkaline high power pencil cell for dcs cmos backup 1 ) battery voltage: 1 . 5 volts . 2 ) designation: iec-lr6 . 3 ) chemical system: alkaline zinc-manganese dioxide ( zn / mno2 ) ( no added mercury or cadmium ) . 4 ) operating temp: -20degc to 54degc . 5 ) average weight: min . 23 . 0 grams . 6 ) terminals: flat 7 ) jacket: leakage proof nylon / plastic / aluminium foil . 7 ) shelf life: min . 10 years in 21 decg . 8 ) make: duracell ultra / energizer max / panasonic pro power / camelion digi alkaline . , aaa size alkaline high power pencil cell for calibrators 1 ) battery voltage: 1 . 5 volts . 2 ) designation: iec-lr3 . 3 ) chemical system: alkaline zinc-manganese dioxide ( zn / mno2 ) ( no added mercury or cadmium ) . 4 ) operating temp: -20degc to 54degc . 5 ) average weight: min . 11 . 0 grams 6 ) terminals: flat 7 ) jacket: leakage proof nylon / plastic / aluminium foil . 7 ) shelf life: min . 10 years in 21 decg . 8 ) make: duracell ultra / energizer max / panasonic pro power / camelion digi alkaline . , sealed maintenance free rechargeable battery 12v 7ah make:exide only , sealed maintenance free rechargeable battery 12v 9ah make:exide or equivalent