Radio Guide model Drop with a built-in lithium battery or power 2AA battery, two types of your choice. The radio guide device has a newly improved design and is extremely lightweight, only 29 grams. The Drop model works in the range of 200M, making it a preferred device of transmitting information, both indoors and outdoors.

Specification：

Size:98*26*23MM

Weight:29g

Built-in lithium-ion battery -3.7V-580mAh, 20 + 5g (AA battery)

20+5g ( AA battery)

Charging time - 3h

Working time ≥ 9h

Receiving distance ≥ 200M

Frequecy range - 800-900MHz (Can be customized)