Specifications:

• Warning: Sound and light alarm
• Type: Smoke Detector
• Type 2: Smoke Detector
• Type 1 Warning 3: wireless transmission APP alarm
• Type 1 Warning 2: wireless transmission Alarm host alarm
• Type 1 Warning 1: Standalone Sound and light alarm
• Type 1: RF 433 Smoke Detector
• Sounder level: more than 85dB
• Power voltage: DC9V(6F22 battery not included)
• Model Number: RF 433MHz Smoke Detector
• Frequency: 433mhz 1527
• Alarm Method: Standalone/ wireless transmission
• Alarm Method 2: Standalone