Customer service?Each NICGIGA PoE Extender has undergone rigorous reliability, quality and performance tests. We provide one year warranty and lifetime technical support for the whole product. We support unconditional return within 30 days. Plug and Play?The PoE extender has auto-detection function, which will automatically detect the end device and provide power and network without configuration. VLAN and 3 Levels Cascade?Extra 330ft(100m) PoE+ data transmission can be extended through a NICGIGA PoE repeater. And it supports 3 levels cascade, therefore, it can achieve PoE data transmission up to 1312ft with 3 PoE extender. Out Ports 1 - 3 support VLAN isolation, lessen network traffic, and increase network security. Outdoor Waterproof Design?IP33 protection grade, with 4KV lightning protection design, can be used in harsh outdoor environment -10°C to +55°C (14°F to 131°F). Suitable for small installation of security cameras CCTV monitoring, greatly extending the network signal transmission as well as power supply distance. Outside PoE Extender?NICGIGA Outdoor Waterproof PoE Repeater extends power and data to 3 terminal PoE devices via RJ45 network cable, supports auto-sensing to identify IEEE802.3af/at (15.4W/30W) to power your PoE devices for network (please Note: Only 44-57V POE devices are supported).