300kg/50g Bluetooth-Compatible Crane Scale Rechargeable Portable Hanging Industrial Hook Scale Stainless Steel With 4.0 BT USB Optional Bluetooth 4.0 function Built-in 400 mAh lithium battery Supports charging, plug-in, and AAA battery operation; includes loud buzzer alert Extended wireless range Full viewing angle LCD display High-grade white LED backlight with purple background Durable stainless steel hook; waterproof seal and waterproof ring design at handle connection High-strength ABS engineering plastic housing; thickened stainless steel hardware with environmentally friendly electroplating Industrial-grade materials and construction for long-lasting durability Specifications Housing material: ABS engineering plastic Product dimensions: 7.6 x 13.8 x 3.9 cm LCD size: 52 x 23 mm Wire diameter: 10 mm Color box dimensions: 17.5 x 16.7 x 5.2 cm Units: kg, lb Model options: Standard version, Bluetooth version (optional) Colors: Black, Orange Capacity: 300kg / 50g (maximum capacity 300kg, graduation 50g; minimum weight 0.2kg, error range 0.1–0.3kg) Functions: Power switch, unit/lock, reset and tare; manual or automatic value selection during weighing, zero tracking, auto shutdown after 120 seconds, unlock function Package included Scan the QR code to download the compatible app (available on Android and app stores)