Features1. High quality outer glass lens for Apple Watch Series 1 38mm 2. Replace your broken or unusable item with a new one 3. Complete fit and work 4. Each item has been checked and in good condition before shipping 5. Professional installation is highly recommended. We will not be responsible once the screen is installed.Dos and Don'ts1. Test before installation When testing, do not remove any protective film or tags. Please pay attention to the problem of static electricity. Before attempting any repair, be sure to ground yourself is an ESD (electro static discharge) strap. This will prevent static electricity from damaging the electronic components within the phone. Ensure you wear eye protection and use caution not to cut your finger with the glass splinters. 2. Simulates testing Screen replacement is very fragile product. We strongly suggest test before installation. Please simulates testing, which means mobile phone apart, Screen Outer Glass Lens connected audio cable and new replacement, power on, test finished. If test OK, please install it. If it can't show, please contact us at the very first time. And please don't force it to be installed in mobile phone. We will not be responsible once the screen is installed. 3: Do not over-bend cable Please make sure LCD cable Do not over-bend. Over 90 degrees bent will cause black display.Specification: General Compatible with Apple: Watch Edition 38mm Types Outer Glass Lens Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 17cm * 8.5cm * 2.5cm / 6.69inch * 3.35inch * 0.98inch Qty per Carton 100 Carton Weight 3.30kgs / 7.28lb Carton Size 43cm * 30cm * 30cm / 16.93inch * 11.81inch * 11.81inch Loading Container 20GP: 689 cartons * 100 pcs = 68900 pcs40HQ: 1599 cartons * 100 pcs = 159900 pcs