Specifications:

• Brand Name: DIANQI
• Certification: CCC
• Certification: ce
• Features: Single Speed
• Item Type: Switches
• Material: Plastic
• Model 1: Blue
• Model 2: BD-B2S BD-B4S
• Model 3: 2 Channels /4 Channels
• Model 4: 1 transmitters + 1 receiver
• Model 5: Single Speed
• Model Number: BD-B2S BD-B4S
• Origin: CN(Origin)
• Remote Distance: at least 50 m
• Switch Type: Remote Control
• Warranty: -