Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. is one of the leading manufacturers and suppliers of high-quality keypads in China. Their latest product is the Keypad 4x4, which is a versatile and durable solution for controlling access to different facilities, machines, and equipment. The Keypad 4x4 is a compact and easy-to-use device that can be mounted on a wall or integrated into a control panel. It features 16 backlit keys arranged in a 4x4 matrix, which can be programmed to perform various functions and commands. The keypad is made of rugged materials that can withstand harsh environments, including extreme temperatures, moisture, and dust. This keypad is an ideal choice for industrial and commercial applications, such as automated gates, security systems, vending machines, and more. It offers a reliable and secure way to regulate access and prevent unauthorized entry or use. With its simple but effective design, the Keypad 4x4 is a cost-effective solution that can improve the efficiency and safety of any project. If you are looking for a quality keypad, Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. is the factory to turn to. The Keypad 4x4 is just one of their many innovative products that can help you achieve your goals.