FireAngel Smoke detectors - Set of 2 pieces - Latest model - Can be connected wirelessly

(This text is machine translated) Set of 3 pieces WST-630-BNLTOptical (Thermoptek™) Wireless Linkable Smoke Detector with fixed 3V Lithium batteryThe innovative Thermoptek technology is the latest combination of a detector with optical sensor chamber and thermal detection. The detector is suitable for detecting slow smoldering fire, but due to the constant temperature control, the detector can also detect a raging fire considerably faster than a standard detector. The FireAngel WST-630-BNLT is powered by a non-replaceable 3V lithium battery. and also a fixed lithium battery for the removable W2 module. These switch on automatically after installation. Thanks to the W2 module, the WST-630-BNLT can be easily connected wirelessly to other WI-SAFE2 products, both battery powered and 230V. A completely new and improved universal mounting plate guarantees quick and easy mounting and the detector has an extra large test button for manual function testing and temporary suppression of alarm and fault signals. WI-SA...