Six digit LED count up or count down display timer. First four extra large LED digits are 8 1/4-inches tall. Last two LED digits are 5 1/2-inches tall. Each digit features double row of LED lights for improved viewing. Excellent brightness and visibility for indoor or outdoor activities (not water resistant). Timer dimensions: 35 1/2-inches wide by 11 3/4-inches high. Timer operated by buttons on side of unit and with wireless remote control (included). Start/stop with time out capability. Powered by AC adapter or rechargeable battery. Rechargeable battery lasts up to five hours of continuous use from full charge. Free standing on floor or table or can be tripod mounted. T-150 comes standard with sturdy tripod and carrying case.