Yiwu Sanda Electronic Instrument Co., Ltd., www.sxh5136.com,13516959171,83612003, nominal voltage battery model total load resistance work current 1.5V AAA,HP6,MN2400,RO3 AA,HP7.MN1500,UM3 C,HP11,MN1400,UM2 D,HP2,MN1300,UM1 button, small battery 4Ω 375 mA 9V 6F22,PP3,MN1 604 215 Ω 40 mA good weak replace (replace) measurement environment 0 ~ 40 ℃, 25% ~ 80% RH overall size 112 × 61 × 27mm weight 48g main packing parameters packing number 100 pcs gross/net weight 10.2 / 7.5kg outer box size 62 × 36 × 28.5cm inner packing style Blister and fancy paper card