Come and see our amazing products. ABS ultrasonic material lights feature 2 super bright motion activated LEDs for approximate nighttime visibility of 1/4 mile. Includes 2 lithium batteries for up to 100,000 flashes. All price is shipping by air. 1 3/4" W x 1/2" H x 1/4" D Pls confirm further with us if any query about packing info, inventory status and time schedule.