100% Brand new and high quality. Each unit is tested before shipping to ensure reliability. Please buy from the official seller to guarantee genuine product and proper after-sale support. Special skill and techniques are required for proper installation. Key benefits - Reliable performance ensured by pre-shipment testing and new condition - Authentic product from an official seller with appropriate support - Clear installation guidance and requirements to prevent damage Compatibility and specs - Compatibility: designed to fit devices that match the product specifications listed on the page - Size and material: exact dimensions and material details are provided in the product listing - Performance: engineered for dependable operation when installed by a skilled technician Use scenarios - Replacement part in professional repairs or upgrades of compatible devices - Suitable for trained DIY enthusiasts undertaking projects that require careful installation - Used in OEM or dealer installations where precise handling and technique are essential