Brand: TECHKOColor: Light-greyFeatures: Pass Pool Inspections: Compliant with UL 2017 safety standards & Child Pool Safety Law. Keep Your Children Safe: High Output 110-115 dB, 6-Tone Alarm. "Always On" Alarm Protection. Easily Enter/Exit: Two bypass buttons temporarily disable alarm for 10 seconds. Indicated by a blinking LED indicator. Patented Screen Door Sensor: Secondary sensor included, keep sliding glass doors open without triggering the alarm when the screen door is drawn. Please note one alarm per door/alarm, secondary sensor doesn’t work as a separate alarm. Out of Reach of Children: Adhesives & placers included to mount on walls & door frames. Durable & Weather Resistant: IP65 Waterproof rating. Low Battery Indicator: Indicated by an always-on red LED, uses one 9V Battery (not included). model number: S187DPart Number: S187DDetails: Techko S187D Safe Pool AlarmEAN: 0014575187011Package Dimensions: 5.7 x 4.2 x 2.8 inches