After lab test,then go for deal,first test ur hand&ur tester hand,then in lab,I want good buyer,come with ur final tester first check item,then decide how to do the deal,first test the item , meet me see my house,if u interest in item,then u & me decide a place for deal,only I give u video detail of item,after u reach in my place I show the item in 5 min,test it until ur full satisfaction,after full satisfaction give me my money,so I want good buyer for a good deal,contact me only good buyer and tester- sahdev0020 gmail.com