1、Multi Layer Motherboard Design: Large line layout, low failure rate, longer service life. It can be used in gyms, training fields, living rooms, schools. 2、Wireless Remote Control: Simple operation, timing function, directly press the remote control button, you can start, the operation distance is less than 10 meters, the number can be freely edited. 3、Aluminum Alloy Frame: Light and strong, durable, high definition LED digital tube clearly observe every second, convenient for your daily viewing. 4、Reasonable Design: The power interface design is humanized and reasonable, simple, convenient and fast. Provide you with the convenience of use. 5、Multiple Functions: Time, stopwatch, timing function, training, rest cycle timing, can meet your various needs, convenient for your daily life. Item Type: Magnetic Countdown Count Up Timer Weight: 708g/25oz Size: 21.5 x 5.5 x 2cm/8.5 x 2.2 x 0.8in Material: Aluminum alloy Timer Battery Type: polymer lithium battery Timer Battery Capacity: 8000mAh (shipped with built in battery) Remote Control Battery Type: 2 x AAA battery (shipped without battery) Use Occasion: gym, training ground Visual Range: 7.5m/24.6ft 1 x Plug 1 x Display 1 x Remote Control 2 x Instructions 2 x Screw 1 x Data Cable