These Bright Strike® Lights can be applied anywhere on the vest and they're so light and small you won't feel it. The adhesive back holds it on. They won't fall off and they're completely water proof. Stick one on the front, stick one on the back. The bright white light can be seen up to a 1/2 mile and lasts 80+ hours.
• 80+ Hours runtime.
• Modes: Fast Strobe / Slow strobe / steady on / off
• Heavy Duty 3M® adhesive back
• Waterproof, dust proof & shockproof