Pocket-sized Black Hornet 4 spy drone weighs 70 g and costs $28,000

Teledyne FLIR Defense builds the Black Hornet 4 nano-drone, a 70-gram reconnaissance aircraft with a 12MP camera and thermal imager. It flies for about 30 minutes, reaches 2 km from the operator and costs roughly $28,000 per unit.

• Weighs 70 g and launches in under 20 seconds
• 12MP camera paired with a high-resolution thermal imager
• About 30 minutes of flight and at least 2 km range
• Estimated price of $28,000 per unit