Highlight LED lamp bead: It can provide 120 lumens illumination, warn flight, and help avoid obstacles and work better at night. Quickly switch lighting modes to meet different lighting requirements. Small and lightweight: the weight is only 22.8g, and the design is lighter. Durable battery life: USB-C rechargeable battery, the alarm is powered by a safe and durable polymer battery with a battery capacity of 250mAh, which can stand by for a long time and charge quickly, without worrying about the power problem at all. High decibel alarm sound: the decibel is as high as 120dB, which can be heard even if it is lost in a large range, which can effectively prevent the drone bomber from being lost. Product net weight:22.8g Size:50x42.9x15.4mm Color:As Shown Material:plastic Package Contents: 1 * Alarm 1 * Charging Cable 1 * Long Tie Strap 1 * Short Tie Strap