Dogtra Element, SureStim, Field Star digital e-collars

Dogtra e-collars N=Nick C=Constant P=Pager M=Medium Output H=High Output	175NCP	Dogtra 300M Element	280 NCP Platinum	SureStim 7000M	SureStim 7100H	Dogtra 1900NCP Field Star	Dogtra 2300NCP Advance
Max Range	400 yards	½ mile	½ mile	½ mile	½ mile	1/2 mile	3/4 mile
Stimulation Output	Low to mid range	Low to medium	Low to medium 0-127 LCD	Low to high 0-127 LCD	Low to high 0-127 LCD	Low to high 0-127 LCD	Low to high 0-127 LCD
Waterproof Collar	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Waterproof Transmitter	No	Yes	Yes	Yes	Yes	Yes	Yes
Storage Case	No	No	No	Yes	Yes	Yes	Yes
Multiple Dog Option	No	1 or 2 dog	1 or 2 dog	1 or 2 dog	1 or 2 dog	1 or 2 dog	1or 2 dog
Battery type	Rechargeable NiMH	Rechargeable NiMH	Rechargeable NiMH	Rechargeable NiMH	Rechargeable NiMH	Rechargeable NiMH	Lithium Polymer Recharge in 2 hours
Collar Weight							7.2 oz.
Price	$175.00	$199.00 / $310.00	$224.00 / $334.00	$239.00 / $359.00	$264.00 / $404.00	$249.00 / $379.00	$289.00 to $665.00

Dogtra Specialty Digital Systems	Dogtra 3500NCP Super X with Mild Mode	Dogtra 2500 T & B Train and Beep for Bird Dogs	Dogtra 1804 NC (no pager mode)
Max Range	1 mile	1 mile	1 mile
Stimulation Output	Low to high 0-127 LCD	Low to high 0-127 LCD	Low to high 8 settings
Waterproof Collar	Yes	Yes	Yes
Waterproof Transmitter	Yes	Yes	No
Storage Case	Yes	Yes	Yes
Multiple Dog Option	1 or 2 dog	1 or 2 dog	1, 2, 3 and 4 dog
Battery type	Lithium Polymer Recharge in 2 hours	Lithium Polymer Recharge in 2 hours	Rechargeable NiMH
Collar Weight	7.2 oz	7.2 oz
Price	$354.00 / $489.00	$379.00 / $534.00	$289.00 to $665.00