Item Type: Electronic Counter Model: HX-6A Material: ABS Battery: 1x1.5V AA Battery Probe Magnet Distance: Approx.5mm-10mm / 0.2in-0.4in Environment Temperature: -5-40 1Using common contact signal input, the use of selecting sensors will be simple and convenient, and the counting will be more accurate and reliable. 26?digit large?screen LCD screen displays large and clear numbers, making it easier to measure and record, saving time and effort. 3Ultra?low power consumption, it has low energy consumption, long battery life, can maintain a long use time, and has a long service life. 4Use ordinary AA batteries (batteries are not included), it does not require an external power supply, easy to install, easy to replace the battery. 5Using magnetic induction design, it can ensure high?efficiency work and accurate counting at the same time, which can meet the high standards of industry.The working temperature of the magnet should be within 70. Excessive temperature will cause loss of magnetism and further invalidate the induction. 1 x Counter 1 x Strong Magnet 1 x Proximity Switch 1 x Switch Bracket