The counter is a portable 4-digit LED display digital reversible counter Will up-count or down-count by 1 when a customer-supplied on or off switch is activated Create a number then begin to up or down by the remote or switch button Features - Color: Black - Material: ABS - Size: Approx 6 6x3 5x2cm - 4-Digit LED Display Digital Reversible Counter Up or Down Counter - Easy to use and easy to install - Create a seconds value ( like 30 or 60 or 990, etc) then start countdown or count up by the switch button - Good stability, strong Anti-interference - Our counters work perfectly in many different uses for industrial, professional, educational and hobby applications About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.