This glue gun preheats in 90 seconds and maintains a temperature of 170°C ± 10°C. It features a 2000mAh battery, offering 40-60 minutes of use per charge with USB charging capability. The package includes 20 high-purity mini hot melt glue sticks suitable for various materials. Price drops from $19.99 to $9.99 when you apply the coupon code "3M3I9V4V & L4SVUCBP" at checkout. Shipping is free for Prime members or on orders over $35.