Update KlikAanKlikUit_ZSDR-850.md

This device doesn't send zigbee alarm messages and is unusable

Author: jeroenst

_zigbee/KlikAanKlikUit_ZSDR-850.md

@@ -10,6 +10,5 @@ link: https://www.bol.com/nl/nl/p/klikaanklikuit-draadloze-rookmelder-zsdr-850/9
 zigbeemodel: ['SmokeSensor-EM']
 compatible: [zha, z2m, tasmota]
 ---
-
-
+This device can be added to Tasmota, but it doesn't send any zigbee alarm message upon smoke detection. There is also no battery level status. This is confirmed by myself and homey users.