Features: Made of high quality TPU and PVC material, wear-resistant and shatter-resistant. Convenient to charge with the built-in rechargeable 1200mAh lithium battery. Easy to hang it on the wall and adjust the height freely, protect your knees from injury. Excellent infrared sensor system, makes it sensitive and accurate to count your date. Double date statistics system, record your number and time of train, know your completion. Built-in buzzing reminder and light, keep you focus on the high jump training. Specifications: Material: TPU + PVC Color: Blue / Red (optional) Battery: Built-in 3.7V 1200mAh Lithium Battery Package Size: 18.7 * 13.5 * 3.5 cm / 7.4 * 5.3 * 1.4 in Package Weight: 300 g / 10.6 oz Package List: 1 * Counter 2 * Hook 1 * Magnetic 1 * Hook Rope