Pushtype aiming light: The compound bow sight light uses a pushtype activation for quick on/off with a simple touch. Nonadjustable brightness: The brightness level is fixed, providing consistent and reliable illumination for aiming. 9mm interface compatibility: Compatible with a 9mm mounting interface, suitable for a wide range of compound bows. Durable and replaceable: Built for durability and long life, it includes a replaceable button battery for extended use. Use scenarios: Night hunting or dawn/dusk practice where fast, reliable illumination helps maintain focus on the target. Practice sessions at the range in low light, enabling rapid activation without fiddling with controls. Field setup and sightin in dim environments, where a dependable, easytouse light improves accuracy during calibration.