JYC MC Series Digital Timer Remote Controller (Canon)

Timer delay: 0s to 99hrs 59min 59s in one-second increments

Exposure time: 0s to 99hrs 59min 59s in one-second increments

Interval: 1s to 99hrs 59min 59s in one-second increments

Number of shots: 1 to 399, ? (unlimited)

Battery life: Approximately two months of continuous shooting with a delay of 5min, an exposure time of 4min 56s, and an interval of 5min.