1,iButton DS1990A-F5 2,Unique ID number 3,imported stainless steel body 4,water-proof and rust iButtons, TM Card(iButton) is sealed with stainless steel (su304-0.3), sturdy & durable, rust-resistant and corrosion-resistant. Its insulation materials are made of heat-resistant resin with a good seal performance, aging-resistance, moisture resistance, heat-resistance.
China
ADD:1206 MingHui International Building, No.666 Jinyu Road, Yinzhou,Ningbo,Zhejiang
TEL:0086-574-88180826