Quick overview from the supplier:
Reflecta Caelos 100 ceiling lift for projector
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https://reflecta.de/en/ceiling-lifts/144-reflecta-caelos-100-ceiling-lift.html
+++ down travel to 100 cm
+++ remote control
+++ hard-wearing – excellent manufacturing
+++ max. projector size is 390 x 390mm
+++ colour is white
+++ 110/220 Volt power supply
Power Supply 240 / 220 V / 110 V, 50/60 HZ
Max. loading weight 15 kg
Running height 43-100 cm
Max. projector size 390 x 390 mm
Running speed 53 mm/sec
Power consumption 130 W
Remote control included Yes
Weight 17 kg
Dimensions 450 x 450 x 250 mm