Specifications High-current chemical substance: None Features: High definition Screen protector help: Automatic installation tool (soft protection) Screen protector material: Tempered glass film Brand name: ERIKOLE Origin: China, Mainland Brand name: ERIKOLE Special feature 1: Scratch-resistant, touch sensitive Special feature 2: Anti-fingerprint, shatterproof, Special feature 3: Bubble-free, easy installation Warm reminder: 1, the picture can only show some models, can not show all models, will be delivered according to the model of the order, please do not choose the wrong phone model. The goods will not be exactly the same as shown, because the opening position of different models is different, if you do not agree, please do not place an order. If you have any questions, you can contact customer service. 2. If you have any questions or dissatisfaction with the product after receiving it, please contact customer service and send the complete package picture to customer service, we will give you the best solution, please do not refund directly or leave negative feedback immediately, thank you very much. ^_^ 3. Curved model products and privacy glass and matte film do not support fingerprint unlocking, only password unlocking and face unlocking. If you need fingerprint unlocking, please contact customer service for other products. Customer service will be happy to help you.