<p>GARMIN DC™ 40 Dog Tracking Collar Part Number: 010-11484-00 https://buy.garmin.com/en-US/US/on-the-trail/discontinued/dc-40-dog-tracking-collar/prod68084.html</p><p>Physical & Performance  Unit dimensions, WxHxD: 3.25" x 1.75" x 1.5" (3.5 x 2.97 x 8.4 cm)  Collar length: 12" (30.5 cm) to 20" (50.8 cm) adjustable collar  Weight:  5.1 oz (144.5 g) for transmitter and antenna  8.0 oz (227.5 g) total weight  Battery: Li-Ion rechargeable  Battery life: 17 - 48 hours (user adjustable transmit rate of 5, 10, 30 or 120 seconds)  Waterproof: yes (IPX7)  High-sensitivity receiver: yes  High-sensitivity GPS receiver that connects to any standard 1” collar  Durable, high-visibility orange polyurethane collar  Dog position updates every 5, 10, 30 or 120 seconds  Seven mile range, depending on terrain  Collar Lock prevents others from seeing your dogs’ whereabouts  Rugged, IPX7 waterproof design  17 to 48 hour battery life (depending on update rate), rechargeable lithium ion  Tough, rugged design  Convenient, easy-to-use GARMIN DC™ 50 Dog Tracking Collar Part Number: 010-01133-10 https://buy.garmin.com/en-US/US/shop-by-accessories/dog/dc-50-dog-tracking-collar/prod123012.html</p><p>Physical & Performance  Unit dimensions, WxHxD: 3.5" x 1.9" x 1.8" (9.0 x 4.9 x 4.6 cm)  Collar length: 12" (30.5 cm) to 20" (50.8 cm) adjustable collar  Weight: 7.5 oz (212.0 g) for transmitter and antenna; 10.2 oz (289.0 g) total weight  Battery: Li-ion rechargeable  Battery life: 26–54 hours (user adjustable transmit rate of 5, 10, 30 or 120 seconds)  Waterproof: 10 m (33 ft)  High-sensitivity receiver: yes  High-sensitivity, top-mounted GPS/GLONASS receiver  Braided stainless steel VHF antenna  26–54 hour battery life  Innovative bark detection technology  Dog position updates every 5, 10, 30 or 120 seconds GARMIN T 5 Dog Device Part Number: 010-01041-70 https://buy.garmin.com/en-US/US/shop-by-accessories/dog/t-5-dog-device/prod160887.html</p><p>Physical & Performance  Unit dimensions (WxHxD): 3.5" x 1.75” x 1.85" (7.8 x 4.4 x 4.4 cm)  Weight: 6.6 oz (188.0 g) for transmitter and antenna; 9.3 oz (265.0 g) total weight  Battery life: 24-48 hours  Battery type: rechargeable lithium-ion pack; user replaceable  Interface: USB  Water rating: 1 ATM (10 meters)  High-sensitivity GPS/GLONASS receiver: Yes  GPS antenna: top, orange  Stimulation/Vibration/Tone: No  LED beacon lights: Yes  Frequency band: MURS (The T 5 and TT™ 15 are only compatible with the Astro® 320 and the Alpha™ 100. The T 5 and TT 15 can be configured for operation with either handheld but cannot be tracked simultaneously by both the Astro 320 and the Alpha 100)  Rescue mode: Yes  Replaceable collar straps: Yes  Collar compatibility: 1” (2.54 cm)</p>