Specifications	ER-370	ER-340	ER-360	ER-380	ER-390	ER-500
Length	14-1/4"	9-3/4"	12-3/4"	14-1/4"	13-1/8"	20"
Bell Diameter	9-1/8"	6"	7-1/2"	9-1/4"	9-1/8"	14"
Weight without batteries	3-1/4 lbs	1-1/2 lbs	2.2 lbs	3-1/4 lbs	3-1/4 lbs	7lbs.,4oz
Wattage (Maximum)	16 Watts	6 Watts	10 Watts	20 Watts	25 Watts	45 Watts
Effective Range	800 feet	300 feet	500 feet	1200 feet	1400 feet	3000 feet
Batteries Required	8 C Cells	9V	8 C Cells	8 C Cells	8 C Cells	8 D Cells
Warranty	1 Year	1 Year	1 Year	1 Year	1 Year	1 Year