The lights work in low light conditions and at night, and are visible for up to 100 yards away.
Rugged and water resistant to 30 feet, this tracking-only dog device is tough enough to run wherever your dog runs, up to 9 miles away. T5 unites, when sold separately, ship with a 1-inch blue collar strap.
Unit demensions (WxHxD): 3.5" x 1.75" x 1.85"
Weight: 6.6 oz for transmitter and antenna 9.3 oz total weight
Battery life: 24-48 hours
Battery type: Rechargeable lithium-ion pack; user replaceable
Water rating: 30 feet
High-sensitivity GPS receiver, GPS antenna: top, orange
LED beacon lights & Rescue Mode
Collar width 1"