This mosquito repellent provides a 20-foot protection zone. It features a 5.5-hour rechargeable battery. The device has an IP54 rating for dirt and moisture protection. It includes a lanyard and carabiner for versatile mosquito protection. Price drops from $39.98 to just $29.98. Shipping is free over $35 or adds $6.99 or select in-store pickup to avoid the shipping fee.