| QUANSHENG UV-K5(8) V3 Walkie Talkie 2MB Memory 50-600MHz Air Band RX 5W Two Way Radio Type-C Wireless Copy Custom Firmware | proengi.com | 36.43 USD | 93.45 USD | −51.3% |
| DP-666 DEEPELEC TEF6686 Radio Full Band FM AM LW MW SW Shortwave ESP32 RDS 2.8 inch IPS LCD | proengi.com | 89.99 USD | 180 USD | −50% |
| 250g Rosin Core Solder Wire 1.0-2.0mm for Electronics Rework | proengi.com | 13.5 USD | 37.6 USD | −40.5% |
| 40PIN 10CM 20CM 30CM Dupont Line Male to Male + Female to Male and Female to Female Jumper Dupont Wire Cable for Arduino DIY KIT | proengi.com | 4.52 USD | 7.92 USD | −39.9% |
| XT Series XT30U XT60 XT90 Connector Plug Bullet Welding Terminal Suit for RC Lithium Polymer Battery Model Aircraft Accessories | proengi.com | 3.2 USD | 108.43 USD | −39.5% |
| 10pcs 5pairs 5.5x2.1mm 5.5x2.5mm DC Power Male Plug Connector DC Power Socket Female Jack Screw Nut Panel Mount Connector | proengi.com | 4 USD | 7.17 USD | −38.8% |
| Soldering Iron Head Tips T12 Series Replacement Tip T12-K BC2 BC3 JL02 D24 KU ILS BL I For FX951 FX-952 T12-942 | proengi.com | 3.53 USD | 8.79 USD | −37.2% |
| Hantek BNC Banana Plug Adapter for Oscilloscope Tools Multimeter Accessories HT311 Dual-Jack Female Coaxial Connector | proengi.com | 5.83 USD | 9.13 USD | −34.9% |
| 1Pcs 250M 30AWG Wire Cable 8 Color PCB Soldering Fly Iine Breadboard Jumper Colored Insulation Wrap Cable Tinned Pure Copper | proengi.com | 9.11 USD | 13.79 USD | −33.8% |
| 5Pcs T12 Soldering Solder Iron Tips T12-ILS BC1 D24 K BL For FX-9501 HAKKO912 FM-2027 2028 Handle DIY Soldering Station Kits | proengi.com | 16.13 USD | 24.07 USD | −33% |
| New Solder Flux for Soldering Rosin Soldering Flux Paste for Lead-Free Electronics Soldering and Soldering DIY | proengi.com | 5.1 USD | 9.78 USD | −31.6% |
| 1Roll 50g Solder Wire 60/40 Tin No-clean Rosin Core 0.5-1.2mm Welding Soldering Iron Reel Flux 2% Electronic Soldering Wire Roll | proengi.com | 10.02 USD | 14.46 USD | −30.7% |
| 30MHz LPF Low Pass Filter Module for Clear AM Shortwave Radio Signal Reception with Enhanced SNR High Quality | proengi.com | 8.45 USD | 11.9 USD | −29% |
| 140/400pcs Connector Female Male 2/3 Pin Kit for JR JST SYP Futaba Male Female Jumper Cable Plug for RC Robot Airplane Car Servo | proengi.com | 9.65 USD | 13.63 USD | −28.4% |
| OWON Oscilloscope Accessories OW3200/OW3100/OW3300 Digital Oscilloscope Probe 200Mhz For XDS Series Oscilloscopes With HDS2202S | proengi.com | 17.96 USD | 39.72 USD | −20.7% |
| P57 Q9 Adapter Connector 50ohm BNC to BNC Female Connector 50KY Feed Through Terminator Device Load Resistor 50Ω DC~1GHz | proengi.com | 12.05 USD | 15.13 USD | −20.4% |
| 164/328PCS Heat Shrink Tubing 2:1Wire Cable Wrap Assortment Electric Insulation Tube Kit 5 Color 8 Size | proengi.com | 4.02 USD | 6.24 USD | −20.2% |
| MS6818 Cable and Pipe Locator Tester 30-400V AC/DC for Wall and Underground Tracing | proengi.com | 139.65 USD | 174.56 USD | −20% |
| ALIENTEK HP20 Hot Plate Preheater MINI Heating Plate Soldering Station PD3.1 Digital Constant Temperature 350° Heating Tool 200W | proengi.com | 79.42 USD | 149.23 USD | −20% |
| CROSSGUN X3 Portable Handheld Turbo Fan Strong Hurricane Wind With LED Light Dust Removal For Travel Office Outdoor | proengi.com | 48 USD | 60 USD | −20% |
| ANENG 683 Rechargeable 6000-Count Digital Multimeter with Touch Display | proengi.com | 39.29 USD | 56.89 USD | −20% |
| X6 Air Blower Powerful dust Vacuum Cleaner Fast Charging Strong Wind Brushless Violent Fan for car/computer cleaning | proengi.com | 29.86 USD | 40.16 USD | −20% |
| SK150C 150W DC-DC Adjustable Power Supply Module 7-36V 8A with Color Display | proengi.com | 24.56 USD | 35.7 USD | −20% |
| ESP32-S3 2.8-Inch UART Touch Display Module for Embedded Control Projects | proengi.com | 20.59 USD | 28.24 USD | −20% |
| 130000RPM Dust Blower Violent Fan With LED Light Powerful Handheld Rechargeable Blower Electric Air Duster 3 Speed 52 m/s | proengi.com | 19.98 USD | 24.98 USD | −20% |
| Sound Level Meter Digital Portable Noise Meter NENG GN102 Audio Level Meter 30-130dB Ambient Noise Windproof Decibel Meter test | proengi.com | 18.9 USD | 23.63 USD | −20% |
| 1pair 4Y Solar Style Y Branch Adapter Connectors 1 to 4 Male and Female Panel Cable Photovoltaic Connector Adapter Dropshipping | proengi.com | 13.21 USD | 16.51 USD | −20% |
| 420PCS 2.5mm Pitch JST SM Connector 2 3 4 5 Pin Male/ Female Housing Plug Connector Assortment Kit | proengi.com | 12.1 USD | 15.13 USD | −20% |
| Pipe Leak Sound Detector for Construction Water Line Diagnostics | proengi.com | 9.8 USD | 12.25 USD | −20% |
| 5pcs Banana to Banana Plug Test Lead Set 4mm Stackable Banana Plug Wire Test Cable Lead for Multimeter, Electrical Test Wire | proengi.com | 9.75 USD | 12.19 USD | −20% |
| 1PCS P6100 BNC Oscilloscope Probe DC-100MHz 1X 10X Mayitr High-Precision Oscilloscope Analyzer Alligator Clip Probe Test Lead | proengi.com | 9.31 USD | 11.64 USD | −20% |
| 2pcs/lot DIY Prototype Paper PCB Universal Experiment Matrix Circuit Board Two Holes Three Connected Hole Four Holes 5x9.5CM | proengi.com | 5.55 USD | 6.94 USD | −20% |
| Cleqee P1503 Series Universal Multimeter Probe Test Leads Kit with Replacement Needle Tester Tip IC SMD Test Hook Alligator Clip | proengi.com | 4.65 USD | 21.9 USD | −20% |
| New Cleaning Ball Desoldering Soldering Iron Mesh Filter Cleaning Nozzle Tip Copper Wire Cleaner Ball Metal Dross Box Clean Ball | proengi.com | 4.16 USD | 7.03 USD | −20% |
| FNIRSI TMP-600/TMP-610S True RMS Multimeter with Oscilloscope and Signal Generator | proengi.com | 110.72 USD | 181.9 USD | −15.3% |
| MIJIA Electric Precision Screwdriver Magnetic Kit with 24 PCS Screw Heads Power Tools Sets for Smart Home PC Phone Repair | proengi.com | 48.09 USD | 56.36 USD | −14.7% |
| 1pc Chip Test Clip Multimeter Probe Tweezers Patch Protective Head For Capacitance Inductance SMD Components Chip Test Clip | proengi.com | 6.15 USD | 7.17 USD | −14.2% |
| Digital Multimeter AN8008 9999 Counts Transistor True RMS Tester Auto Electrical Testers Voltage capacitor Power Meters Test | proengi.com | 22.79 USD | 29.28 USD | −13.9% |
| Heltec WiFi LoRa 32 V4 ESP32-S3 SX1262 GPS Development Kit 928MHz | proengi.com | 88.8 USD | 114.07 USD | −10.2% |