8 4v dc charger with power management

{"cid":"91200138","title":"Charger DC 8.4V Measurement items offering seamless power management and measurement results across multiple industries","imgUrl":"https:\/\/img.chinax.com\/nimg\/92\/29\/0723eafa409e8756dc2bfe4a610b-200x200-1.jpg","attrs":{"Brand Name":"Retro Reflective Meter","Model Number":"STP-TSR","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Place of Origin":"CHINA","Certification":"CCC","Packaging Details":"inner box and master carton , 1pc per carto","Payment Terms":"T\/T","Supply Ability":"1000","Charger":"DC 8.4V","Built-in battery capacity":"3500mAh","Angle of incidence":"-4\u00b0","Ambient temperature":"-5\u2103~+50\u2103","Data storage space":"8GB","Observation angle":" 0.2\u00b0","Continuous working time of battery":"\uff1e8h","Ambient humidity":"\uff1c98%, No Frost"}}