Compatible with all door openers Egg-shaped design that helps to drain rain and snow. It is also suitable for garage doors, alarm systems and alarms. Receiving range: ≤15m (can be reduced by 30% in bad weather) Input power: DC/AC 24V Photocell sensor beam for infrared safety photocell sliding gate opener Description: Compatible with all gate openers (including swings and slides). Egg-shaped design that helps to drain rain and snow. It is also suitable for garage doors and systems warning and alarms. Specification: Color: Black Technology: active infrared beam Power output: Input: DC/AC 24V Operating temperature: -25 to +55 Dimensions: 76x48*2.6mm Package Included: 1pc x Photocell Sensor