Model: FNIRSI HRM-10 Language: Support switching between Chinese and English Power supply mode: built-in 1000mAh rechargeable lithium battery Standard Kelvin clip Single unit delivery package size/weight: 22*14*7cm/0.525KG Standard probe Single unit delivery package size/weight: 22*14*7cm/0.495KG Standard battery holder Single unit delivery package size/weight: 29*17*10cm/0.64KG Fully equipped with three test lines Single unit delivery package size/weight: 29*17*10cm/0.85KG