20W DC-DC โมดูลจ่ายไฟ ปรับแรงดันไฟฟ้าได้ 3.6-30V ถึง ±3 -30V ตัวแปลงแรงดันไฟฟ้าแบบ Step UP Down แรงดันไฟฟ้าขาออกบวกและลบ

2GT 2M 40Teeth GT2 40T Timing Belt Pulley Set Bore 5~12mm Belt Width 6/10mm Tensioning Wheel Synchronou Pulley Belt Kit Rato 1:1

XL Timing Belt 132XL to 214XL Belt Width 6mm 8mm 10mm XL Rubber Belt 12.7mm 15mm 20mm XL Synchronous Belt Closed Loop Belts XL

Outdoor Handheld Cold Compress Fan 3600mAh Quite High-speed Cold Air USB Rechargeable Mini Turbo Fan with Lanyard Portable Fan

Eary Magnetic Ultra-Thin Wall Fan Portable USB 1200mAh Rechargeable Desktop Fan with Strong Magnet Base 4 Wind Speeds Adjustable

Graffiti Bear Handheld Fan USB Rechargeable Air Cooling Fan Electroplating Gradient 3-speed for Home Office Study

Cooling Electric Fan 3 Wind Speed Portable Pocket Fan For Travel Indoor Outdoor Usb Desktop Rechargeable Handheld Fan with Hook

5M Type 40T Timing Pulley Inner Bore 8/10/12/14/15/16/17/20/22/24/25/28mm 40Teeth 5mm Pitch 16/21mm width HTD Timing Belt Pulley

Portable Neck Fan,LED Hands-Free Bladeless, 5 Speeds, 4000 mAh Battery Operated Wearable Personal Fan, Twistable, Rechargeable

IR 23-Key LED Single Colour Dimmer Controller Wireless Remote Timing Switch Dimmer DC 12V 24V 6A For 5050 2835 Strip Light Strip

Aubess WiFi Smart Plug Tuya 16A/20A UK Smart Socket With Power Monitoring Timing Function Voice Control Via Alexa Google Home