Packaging: One strip goes into one OPP bag, each strip has a code number sticker and a color sticker

Battery life: 30-40 hours, about 2 months of normal use; about 30 hours in constant light mode, the battery can be replaced by yourself

[Specifications]:
XS size: suitable for neck circumference 28-38cm, wide2.0 cm, total length 41cm, weight 37 grams, uses 2 CR2032 batteries
S size: suitable for neck circumference 34-41cm, width 2.5cm, total length 44cm, weight 50g, uses 2 CR2032 batteries
M size: suitable for neck circumference 37-46cm, width 2.5cm, total length 50cm, weight 56 ​​grams, uses 2 CR2032 batteries
L size: suitable for neck circumference 41-52cm, width 2.5cm,Total length 56cm, weight 58g, uses 2 CR2032 batteries
XL size: suitable for neck circumference 42-56cm, width 2.5cm, full size60cm long, 60 grams in weight, uses 2 CR2032 batteries

【Warm Tips】Choose the size based on your dog’s actual neck circumference!Between different colors: yellow and orange have high brightness

[Function introduction]: Each model has a hidden switch with 4 functions: fast flashing, slow flashing, still flashing, and off.
Comes with a button battery (remember to take off the collar when taking a bath and just pull out the battery box). The button battery can be purchased in the supermarket.Very convenient to buy!