Features:

• Two bright LEDs.
• Easily slides over your dog's neck as a bright LED addition to an existing collar.
• Universal sizing: cut to fit from 12" - 27" | 30.5cm - 68.5cm.
• Glow and flash modes.
• 360° of illumination.
• Battery run time: 60 hours.
• Weather-resistant.
• 2x replaceable 1154 batteries (red LED) or 3x replaceable 1154 batteries (green LED) included.
• Battery run time: 60 hours.
• Dimensions: adjustable length 12" - 27" x 0.3" | adjustable length 30.5 cm - 68.5 cm x 7.6 mm.
• Weight: 2.1oz | 59.5g.