The Garmin Alpha TT 25 dog collar is a tracking and training 2 in 1 collar to work with Garmin Alpha series GPS dog tracking handheld. The redesigned collar is slim but rugged for wide range of dogs from 9kg in weight. The Alpha TT25 GPS dog tracker features a user-replaceable flex GPS band which was the weak spot of the previous T5 and TT15 series collars. This collar has built-in multi colour LED which is easier to identify different dogs in low light condition.

FEATURES
Up to 7km range
Rechargeable collar with 4 hours fast charge
User-expandable battery pack for double of battery life
Rugged but slim design suit smaller dogs from 9kg in weight
Waterproof (1 ATM)
Multi colour LED to identify different dogs - colours include yellow, magenta, cyan, white, green, red or blue
On/Off button
Top mount GPS and antenna for better reception
GPS and GLONASS satellite
Automatic firmware update via Wifi network, no PC needed
Dynamic tracking based on dog’s movement
1 year warranty

Dog Training features:
The Alpha TT25 collar features 18 levels of momentary and continuous stimulation as well as tone and vibration for training.

Extended battery life:
With the new dynamic tracking technology, T20 collar has up to 68 hours of battery life per full charge. The collar However, the battery is user upgradable to a bigger battery pack which can expand the runtime to max. 136 hours.
Up to 68 hours using dynamic tracking (standard battery pack - included).
Up to 25 hours with location updates every 2.5 seconds (standard battery pack - included).
Up to 84 hours with location updates every 2 minutes (standard battery pack - included).
Up to 136 hours using dynamic tracking (Extended battery pack - sold separately).
Up to 50 hours with location updates every 2.5 seconds (Extended battery pack - sold separately).
Up to 168 hours with location updates every 2 minutes (Extended battery pack - sold separately).

Auto firmware update
No more PC software needed to update the new Garmin Alpha T20 GPS tracking collar. When charging and connecting to a Wifi network, the collar will automatically install the latest software updates.

Handheld Compatibility:
Garmin Alpha 300
Garmin Alpha 300i
Garmin Alpha 200
Garmin Alpha 200i
Garmin Alpha 100
Garmin Alpha 10
Garmin Astro 430

SPECS
Unit dimensions (WxHxD): 8.1 x 4.5 x 3.5 cm
Weight: 191.5g for transmitter and antenna (without collar) / 262.7 g total weight (with collar)
Interface: USB-C
Water rating: 1 ATM (10 metres)
LED beacon lights: Yes (multiple colour options)
Flex band: User-replaceable
Sleep mode: Yes (Alpha® Series only)
Rescue mode: Yes
Frequency mode: VHF
Replaceable collar straps: Yes
Collar compatibility: Up to 2.54 cm width
Automatic software updates: Wi-Fi® technology (when charging and connected to a network)