NVK OCS-E tiny waterproof Crane Scale Stainless Steel Digital Portable Crane Scale For Industry Just contact us about your requirements please! We have a professional technical team! Main Features: 1. Thickened 304 stainless steel materi case, waterproof and dustproof, durable and anti-collision. 2. Highlight green word display, can be clearly seen outdoors. 3. High precision load cell, the data on display is stable enough to be checked. 4. OCS-E model is tiny and easy to be carried by hand, convenient to use. 5. Support add bluetooth, can connect Android phone APP via bluetooth, and check data easier, import and export data report. 6. Support connect with wireless 4keys remote control, user friendly. 7. Support connect with wireless handheld, wireless distance in empty place: around 80-100m. 8. Support connect with wireless handheld printer, wireless distance in empty place: around 150-200m, can print both label paper and receipt paper. 9. Support connect with wireless print indicator, wireless distance in empty place: around 150-200m, can print both label paper and receipt paper. 10. Support connect with large screen, has 3 sizes of 3''/4''/5'' can be choosed, red word HD display.