The role of the pickup and installation method

What is a pickup? It is a sound pickup accessory used for synchronous monitoring system recording. Graphically speaking: The camera is the eye and the pickup is the ear. DVRs store sounds and images, and monitors and speakers are used for playback.

Haworth Alpha hydraulic system Xi'an starting

Since the introduction of the Flash series cylinders in 2006, the pursuit of user experience and product innovation has never stopped at Hayward Machinery (Yangzhou) Co., Ltd. (hereinafter referred to as Hyva Machinery). On August 10, 2013, two years after the releas

How to distinguish the quality of the vault doors

Nowadays, the application scope of the vault door is also becoming wider and wider. It can be used from banks to museums, gold stores, and villas. This is better for the majority of consumers and it will help us do a good job of protection. For the performance of the product we should be more