Wireless Smoke Detector / Fire Alarm System

Specifications Wireless Smoke Detector / Built-in Buzzer Make Once Sound in Each 2 Hours When Battery Low Voltage

Wireless Smoke Detector / Fire Alarm System   PE-8501 is wireless smoke detector, it adopts thermistor sensor and photoelectric infrared LED indication, tamper switch button, built-in buzzer, exact detect smog density when it over the standard level (UI 217 / 3.2%/feet), it can make the alarm by itself via built-in buzzer, and also send out the wireless alarm signal to alarm control panel at the same time, low battery indication that make once sound in each 2 hours via built-in buzzer, easy to install on ceiling or wall using the screws with countersink heads which had packed in the package.   Features: thermistor sensor / photoelectric infrared LED smog sensitivity comply with UI 217 / 3.2%/feet sent status signal every 15 seconds or 65 seconds no emit radioactive element auto send signal when low power voltage or re-setting built-in buzzer make once sound in each 2 hours when battery low voltage self-testing indication: infrared LED turn on and then make 2 buzzer sound alarm indication: infrared LED turn on and around 30 seonds buzzer sound at the same time power input: 6VDC (CR123A 3.0V Lithium Battery x 2pcs) static current is 20μA ~40μA / alarm current is 20mA alarm volume: 85dB at the distance of 10 feet operating environment: -5C ~ +50C /  humidity: 10% ~90% wireless emitting frequency: 433MHz / 868MHz wireless emitting range is 100m (in open area) dimension is Φ105mm / ivory white color