Parking Post Features Reflective Tape, Lithium Battery Life, Private Car Parking Latch Space Lock, Easy Installation Car Park Driveway Guard Saver ★ Specification: Remote control: two standard ( Remote control parking lock within 50m ) Production materials: high temperature alloy steel Raised height: 53CM Width: 47CM Power supply mode: lithium battery Waterproof performance: IP67 Use environment: minus 30 degrees Celsius - positive 60 degrees Celsius Anti-collision performance: positive and negative 180° anti-collision ★ Advantage: 1. Thickened against pressure, not easy to deform Thick alloy steel, integrated die-casting shell, stronger and more effective against car rolling 2. Rubber seal, double waterproof Close the card slot, prevent soaking, let the weather no longer affect the mood 3. Anti-interference, lithium battery Life Receive frequency separately, does not affect the normal operation of multiple ground locks 4. High-quality paint to prevent erosion Three-layer computer baking technology, anti-rust technology on the surface 5. Long remote control distance Adopt loading coil to increase signal intensity. Parking lock has stronger penetration. The effective distance is 30 m(98.5ft) - 50 m(164ft). You will feel easy and comfortable to control parking lock 6. Parking lock for commercial or private use. The parking lock can effectively avoid the misusing or occupation of the parking lock and is a good assistant for parking lock managements of top-grade residential areas, shopping centers, hotels, offices and airports etc ★ packing list: 1 x parking lock 1 x lithium battery 1 x sensor 2 x remote control 3 x expansion screw 1 x Installation wrench 2 x Reflective sticker