YI 4K Action Camera + Gimbal: $109
BuyDig.com has YI 4K Action Camera (Rose Gold) + 3-Axis Gimbal Stabilizer for $109. Free shipping.
BuyDig.com also has YI Action 3-Axis Gimbal Stabilizer for YI 4K, 4K+, Lite Action Cameras for $59. Free shipping.
Note: This action cam features a rechargeable 1200mAh high voltage 4.4V lithium-ion battery providing up to 8 hours of standby time and can record 4K/30fps video for up to 120 minutes with a single charge.