uxcell Silicone Rubber O-Ring, 28mm OD, 22mm ID, 3mm Width, VMQ Seal Rings Gasket, White, Pack of 20 22x28x3mm sold2026 NC: Normally closed relay interface

NC: Normally closed relay interface Read more High and low level trigger options: It is low level trigger when jumper connect to LOW pinIt is high level trigger when jumper connect to HIGH pin Read more Package Include:4 x relay module

exquisite in appearance

Its design is a predecessor to today’s popular AirFit series

and does not contain any heavy metal or toxins

uxcell Silicone Rubber O-Ring, 28mm OD, 22mm ID, 3mm Width, VMQ Seal Rings Gasket, White, Pack of 20 22x28x3mm sold2026 NC: Normally closed relay interfaceuxcell Silicone Rubber O Ring, 28mm OD, 22mm ID, 3mm Width, VMQ Seal Rings Gasket, White, Pack of 20 Product Features [Size] 28mm Outside Diameter, 22mm Inner Diameter, 3mm Cross Section Diameter [VMQ] Durable 50A silicone with a wide temperature range from 22F ( 30C) to 392F (200C) [Advantages] The white O ring is made of durable silicone with smooth surface, soft texture, good elasticity, waterproof, temperature resistance, ozone resistance, aging