presidium duo gem testing instruments

{"cid":"91125764","title":"Presidium Duo Tester Gem Testing Instruments For Gemology School Model PDT","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b8\/45\/0365833d709808ee8b05c3d17b28-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Presidium","Model Number":"PGT\/CSE","Minimum Order Quantity":"1 pcs","Delivery Time":"7 working days after received your payment","Place of Origin":"Singapore","Payment Terms":"Paypal, T\/T or Western Union","Supply Ability":"500 pcs per month","Packaging Details":"One in a plastic bag then in a leather case then in a color box","Certification":"CE","Product Name":"Presidium Duo Tester","Size":"165x77x77mm","Power":"Both of Battery and AC adaptor are ok","Battery":"5xAA Batteries","Adaptor":"AC adaptor 120\/230Volts","Measurement Range":"0.02 carat and above","Weight":"319g","Warranty":"One year","Operating Temperature":"18\u00b0C-27\u00b0C","Storage temperature":"10\u00b0C- 50\u00b0C"}}