3 Pack: 1 GS600 and 2 GS350 drone strobe lights are in the box; 1 GS600 Weighs only 21 grams (3/4 Ounce) and one GS350 weighs only 9 grams (0.32 Ounce). The SYMIK GS600 or GS350 can be installed on almost all drone models on the market without affecting the flight performance. Perfect for DJI Mini 5 Pro, Flip, Air 3S, Neo, Avata 2, Mini 4K, Mini 4 Pro, Air 3, Mavic 3 Pro/Classic, Mavic 3, Mavic 3 Cine Premium, Mini 3 Pro, Mini 2 SE, Mini 2, Mini SE, Avata, Mavic Air 2, Air 2s, FPV, Mavic 2 Pro, Zoom, Phantom 2 / 4 6 km / 3.7 mile Visible Distance: GS600 drone strobe light is equipped with 15 Pieces of Super Bright LEDs, together with the built in 500mAh high capacity battery, which makes high current burst flash possible, the SYMIK GS600 has a visible distance up to 6 km / 3.7 miles. Meets FAA's Anti-Collision Requirement. It also has 360 degree visibility from above for airplane Pilots 3.5 km / 2.2 mile Visible Distance: GS350 drone strobe light is equipped with 3 Pieces of Super Bright 2W LEDs, together with the built in 130mAh high capacity battery, which makes high current burst flash possible, the SYMIK GS350 has a visible distance up to 3.5 km / 2.2 miles. It also has 360 degree visibility from above for airplane Pilots 6 Lighting Modes: The GS600 and GS350 both have 3 lighting colors (White/Red/Green) and 2 flashing patterns (Burst Flash and Slow Flash), which give the GS600 or GS350 a combination of 6 lighting modes Modern Design: The GS600/GS350 comes with Type C charging port which makes it easy to charge. Can be fully charged within 1.2 hours; The Operating time is up to 3 hours without significant visibility reduction What's in the box 1x GS600 drone strobe light; 2x GS350 drone strobe lights; 3x USB-C charge cables; 6x Dual Lock Fasteners; 9x Double Sided Tapes.