B) Outdoor Sensor - Eurochron EFWS 900 S Bedienungsanleitung

15 Holes for wall-mounting
16 Pull-out base
17 Battery compartment for 2 batteries type CR2032

b) Outdoor Sensor

18 19
18 Battery compartment for 2 batteries type AAA/micro
19 Wall bracket (can also be used as standing base)
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