Rain resistant,washable and durable
Mode: 4 modes, quick strobe; slowly flashing; steady; off.
Power by: 2x CR2016 button battery (insided), Ultra-thin batteries, changes easily
Battery Life: appr 60-80 hours
Color: Red, Yellow, Blue, Green, Orange, White, Colorful, Pink
LED color: Same as the collar color
Range of adjustment:18cm/7.09" for each size
Asian S (appr West XS): 22cm/7.87" - 40cm/15.75"
Asian M (appr West XS): 32cm/12.6" - 50cm/19.68
Asian L (appr West S): 48cm/18.9" - 60cm/23.62"