Chronograph - forward - back time counter 16x64cm is a system made with 1 grade material and our own production. 2 p10 led panels are used inside. there are 3 buttons on the side. start/main/reset is key, you can easily program the system by computer at any time. the product will be shipped and delivered to your address within 2 days. more than 50 orders can be ordered of this product. orders over 50 pieces swordslife reserves the right to cancel. more than 100 stocks for sale from the campaign price. it determines the selling price of the product you have reviewed. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.