The Apm 2.8 Flight Controller is a  ArduPilot Mega board that uses Atmel's ATMEGA2560 and ATMEGA32U-2 chips for processing for better flight control. It can control Planes, Copters and Rovers. It is also applicable for various DIY projects.

Maisheng MS-3010D is a 10 Amp DC power supply with LED digital display. It has thicker steel chassis with durable handle for easy handling. It has features like overvoltage protection (OVP), over temperature protection (OTP), overcurrent protection (OCP), Pre-regulator PWM switching, MOS linear adjustment mode, high efficiency, energy saving and environmental protection. This power supply also has intelligent fan controlled by temperature for cooling.  It can be used for testing the DC motors, DC fans, for charging the batteries and many more.

It is a probe with a switch for 10x attenuation. This probe is good oscilloscope accessories, and also suitable for the BNC interface oscilloscope. It is used in professional test equipment and has a 1.22m cable with a standard BNC end. This device has stable performance, providing several accessories designed to make probing and measurements a simple task. This electronic device has marker rings in different colors that help to identify different channels.

The SIM808 GPS GSM GPRS Module is GSM and GPS two in one function module. It supports GSM/GPRS Quad-Band network. It combines GPS technology for satellite navigation. It supports Quad-band 850/900/1800/1900MHz. It is compatible with various flight controller modules that provide GPS computer test software. 

The 8 channel NVR is standalone or self-contained because you do not have to connect it to a computer. It is a computer itself, and comes with its own embedded processor and Linux Operating System which stays virus free. It allows real time viewing and playback as well as live monitoring and video playback on Smartphones including iPhone, iPad, and Android based phones and tablets. It uses Camera Detection using CCTV Camera World IP Cameras to easily configure cameras on the same network. It is easy to offload video to a USB drive or optional external DVD burner.

The Sonoff 4 Channel Switch is an ESP8285 Wi-Fi module based 4 channel (4-way) Wi-Fi wireless switches, where 4 channel means that you have 4 Sonoff basic Wi-Fi switches integrate together. This module supports to connect and control 4 home appliances which can be turned on/off separately by the buttons or iOS and Android APP EweLink. It bears all the functions of basic Sonoff have. In EweLink, you can remote turn on/off from anywhere at any time, set single/repeat/countdown timing schedules to turn on/off at a specified time, share to others so that they can control together.

The Mini USB 32-Bit Servo Controller is a  24 channel servo motor driver controller module. It uses a 32-bit processor so that it has fast response and stable operation. It has self detect  Baud-rate (9600, 19200, 38400, 57600, 115200, 128000). A mini-USB cable is also included with module. It can ideal for 6 legged robots or similar. It also can be applicable for various DIY projects.

The Hotbed Borosilicate Glass is a glass that  fills the entire heated surface, with chamfers on the corners. It is applicable for 3D printers, DIY projects and many more.

It is a useful device for homes, hospitals, industries, etc. This product  basically saves water, electricity and time and helps in preventing the overflow of water from the overhead tank, enabling users  to efficiently manage their water resource and prevent any wastage.

The Flex Sensor Long is a simple Flex Bend Sensor Module having 4.5 inch of length. As this sensor is flexed, the resistance across the sensor increases. According to the patented technology by Spectra Symbol, they claim this sensor was used in the original Nintendo Power Glove. It has various features like: - Angle displacement measurement, Bends and Flexes physically with motion device, Low profile, Simple construction and many more. It can be suitable for various applications like: - Robotics, Gaming (Virtual motion), Medical devices, Physical therapy, Musical instruments, Computer peripherals etc.

The KQ330 Module is a power line communication module. It is designed to communicate between two devices directly through power line (e.g 220V power line) without any extra components. It has Interface baud rate of 9600bps. It is designed with high withstand voltage and anti high pressure shock for communication between two devices. It uses regulated 5V, 500mA power supply. It is suitable for either residential (at-home) or commercial (offices, apartments, hotels, warehouses) network applications, which utilize power lines.

The Gunaisi 937A digital soldering station is one of the qualitative products for wielding. This soldering station consists of various features that are applicable in different electrical projects. This soldering station has controlled temperature of 200 ~ 500ºC .It also consists of LED display for better functions.