High-performance thermal pads | High thermal conductivity | High compressibility | Electrically insulating | Dimensions: 120 × 20 × 1.0 mm

This step up ring adapter easily screws onto the front of any lens with 72mm filter diameter, and converts the thread size of your Lens to the thread size of any other 77mm accessory | The male side: 72mm | The female side: 77mm | Made of high quality anodized aluminum and polished with strict surface treatment to avoid wobbling or cross-threading, combined with a slim design makes this ring durable and functional. | Suitable for a wider variety of filters, adapters, Hoods and more.

STARLIGHT ILLUMINATION & MIC – Stunning low-light 5MP performance with Starlight 1/2.7” image sensor and 5MP resolution (2592x1944). Super-wide 103° viewing angle allows you to cover more ground. Power Over Ethernet (POE camera) for easy installation (POE Injector or Switch Required; Not Included, Sold Separately). This is a FIXED IP camera and Does Not Pan/Tilt. Built-in mic for one-way audio. | SMARTER SECURITY & STORAGE OPTIONS – Receive motion alert notifications and review footage via your smartphone with the Amcrest View app. Playback and record professionally on a PC using the Amcrest Surveillance Pro for Windows and MAC (included) or third-party software such as Blue Iris. Works with Amcrest Cloud remote video storage, MicroSD Card (up to 256GB), Amcrest NVRs, Synology and QNAP NAS, FTP, Edge, Chrome, Mozilla Firefox & Safari. | DAY OR NIGHT, RAIN OR SHINE – Built to weather any storm and the darkest of nights, this 5-Megapixel Turret PoE IP Camera features a heavy-duty weatherproof IP67 housing as well as built-in IR LEDs and a Starlight technology image sensor to achieve industry leading low-light performance and night-vision up to 98 feet. Dual H.265/H.264 compression allows for maximum encryption with the latest technology as well as backwards compatibility with legacy platforms. | SECURE REMOTE STORAGE – The optional Amcrest Cloud remote video storage subscription service allows you automatically store your videos off-site in a third-party location hosted and secured by Amazon AWS. This way if something happens to your local PC/NVR/SDcard/NAS, the footage will be safely recorded in a secure off-site location and accessible to you through a web-based Flash interface for PC (Chrome/Firefox/Safari/Edge) and AmcrestCloud smartphone app. | SIMPLE, RELIABLE, SECURE - This camera features a secure SSL/HTTPS connection, FCC certificate, and received regular firmware updates. . You’ll receive a full 1-year US Warranty and Lifetime Support provided directly from Amcrest. Compatible with the following Amcrest Junction Boxes, ASIN: B07CB468HC, B071L2RDK2, & B07195BN8X.