Item Type: Digital Wall Clock Material: ABS Model: CF5135C S Operating Power: DC8 to 24V Range Of Application: 9999S Power Consumption: 3W Display Mode: LED Opening Size: Approx.76 x 39mm / 2.99 x 1.54in Example: Specification: 9999 seconds Timing Mode: Power on display 0000(sec), short or external switch 3 and 5 to start timing Disconnecting the switch stops the timing and displays the current time Shorting the switch again starts the timer from 0000 (seconds) and so on. The timer stops when it reaches the full value of 9999 (seconds) (optional specification) and keeps displaying 9999 When the power is restarted, the timer is reset and 0000 is displayed, no timing. Package List 1 x Digital Wall Clock 1 x Connector 1Large Display: This digital wall clock has a 2.63 inches digital display with a large timekeeping screen for a better user experience. 2Convenient Timekeeping: This digital wall clock is in keeping with modern style and is simple to operate, making it even more convenient to keep time and meet your timekeeping needs. 3Reliable ABS Material: This digital wall timer is made of ABS material, which is characterised by high stability, high resistance to vibration and high accuracy. 4Easy To Carry: The digital wall timer itself is designed to be lightweight and compact, making it easier to carry and use on a daily basis. 5Complete Set: The product is supplied with a digital wall clock and a set of connection cables, so that the user can always choose the switch he likes to assemble, within a certain working power supply.