안드로이드 IOS 남성용 스마트 팔찌 여성용 스마트워치 심박수 걸음 수 측정 방수 건강 스포츠 스마트 밴드 시계 여성용 선물

3.3V/5V MB102 Breadboard Power Nodule+MB-102 830 Points Solderless Prototype Bread Board Kit +65 Flexible Jumper Wires

T02A Voltage Detector Smart Non-Contact Voltage Tester Pen Meter 12-1000V Current Electric Sensor Test Pencil Voltage Indicator

18650 Battery Holder Box 3x7 12V 40A BMS USB Power Bank Voltage Display Dual-Channel Turmera DIY Set

Multifunction USB Tester Current 4-30V USB-C Voltage Current Tester Timing Ammeter USB-C Type-C Charging Cable Color screen

10pcs/lot Mini DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V

Digital Amplifier Board TPA3116DA TPA3116 150W D2 Mono Channel Digital Power Audio Amplifier Board XH-M544 DC 12V 24V

6pcs/lot DC12V LED Bulb E27 B22 Lamps 10W Bombilla For Solar Led Light Bulbs 12 Volts Low Voltages Lamp Light

Bike Voltmeter Thumb Accelerator Shifter Accelerator with Digital Voltage Display for Scooter Electric Scooter Voltage Display

AC TO DC Adjustable Adapter Source High Voltage Transformer 3V 5V 12V 24V 36V 2A 3A 5A 10A DC Female Alligator Clip Connector

3pcs 5A DC-DC Adjustable Buck Converter XL4015 4-38V to 1.25-36V Step Down Power Supply Voltage Regulator Power Module