ITEM NAME:Large Power 4km Wireless Remote Control Transmitter Module Kit 433Mhz Product Description Description: RF 433Mhz Transmitter Module Kit for Arduino ARM Launch Distance 4000 Meters DC 9V RF 433Mhz Wireless Remote Control Transmitter Module Kit Large Power Specifications: Product Name: 4000 meters wireless transmitter module Size: (L x W x H): 49 x 30 x 10mm/1.93 x 1.18 x 0.39in Operating current: >100mA Working voltage: DC 9V Working frequency: 433MHz Launch distance: 4000m (open environment without interference) Included: 1 x 4km Wireless Transmitter Module.Working frequency: 433MHz. Included: 1 x 4kmWireless Transmitter Module. Warranty Service. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
