diff --git a/pymammotion/data/model/device_config.py b/pymammotion/data/model/device_config.py
index 88887bd..9c5dadd 100644
--- a/pymammotion/data/model/device_config.py
+++ b/pymammotion/data/model/device_config.py
@@ -8,7 +8,7 @@
 @dataclass
 class DeviceLimits(DataClassORJSONMixin):
     blade_height_min: int = 30
-    blade_height_max: int = 70
+    blade_height_max: int = 100
     working_speed_min: float = 0.2
     working_speed_max: float = 1.2
     working_path_min: int = 15