Features: High speed counter, low Power consumption, accurate count, small indication error. It has the characteristics of wide counting range, stable and reliable counting performance Strong anti-jamming performance, easy to install. Even if the power failure electronic counter can still maintain data for more than 10 years. Suitable for all kinds of signal input count, can match with photoelectric switch, proximity switch, dry spring pipe, micro switch, magnetic switch, solid state components and all kinds of relays, switch contacts. Specification: Model: JDM11-6H Material: Plastic Weight: 72g/2.5oz Count Range: 0~999999 Voltage: AC220V / DC36V / DC 24V / DC 12V (Optional) Count Speed: 10 times per second (50mS) Reset Method: manual reset switch panel button No-power Memory: 10 years Environment Temperature: - 10℃ ~ 40 ℃ (No condensed water) Power Consumption: ≤ 1W Working Voltage Range: 85%~110% (rated voltage) Package List: 1 x Electronic Counter Note: 1. Counter signal input circuit should be as close as possible to the counter terminal. 2. The counting input line shall be as short as possible to avoid running lines with other lines or lines, such as power or power lines, and use shielded wire if necessary.