JIAWANSHUN Led Digital Counter Visitor Counter Up/Down Counter within 4in Display&Proximity Sensor 110-240V(0-999)
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? Counting scene---The electronic counter comes standard with an infrared sensor in the NPN mode. The sensor wiring is 6.4 feet long. We often see it in restaurants, supermarkets, sports meets, schools, factories, and logistics sorting centers to meet all counting needs. ? Count up down---The photoelectric switch adopts the counting mode of accumulation and subtraction. One probe is used to count the addend and the other is used to count the subtraction. When the two probes are placed separately, the counting effect can be achieved. ? Remote control---The 3-digit counter is equipped with a wireless remote control device, which can remotely change the setting of the counter and facilitate better operation of the counter. Bright red LED screen, 4-inch number,we provide power adapter, input voltage is AC110-240V, output voltage is 12V. ? Easy to install---Our package has two hook for installation. This counter can be hung or wall mounted.You can install it after you receive the goods, which is simple and convenient. ? Memory storage---The counter has the function of power failure memory. If the power is accidentally disconnected, the counter will return to the value before power off.