The stated waterproof rating is IPX6. Normal-pressure rinsing is supported, but a high-pressure washer must not be used.
The body is designed for outdoor splash, mud, dew, and light-rain conditions. Operation in heavy rain or standing water is not recommended. The source states that mowing in dew or light rain is possible if the rain sensor is disabled, but prolonged mowing in wet conditions is not recommended because it may affect lawn health and mulching performance and can cause clipping buildup on the lawn or cutting disc.