Feature: 1. [Thermostatically Controlled] 250W outdoor bird bath de-icer with thermostatic control prevents birdbaths from freezing in winter. Energy efficient and low power consumption. Helps birds, poultry, and other animals access drinking water during cold weather. 2. [Automatic On/Off Design] Built-in thermostat sensor automatically activates and deactivates the unit for safe operation. Cut-off temperature: 41.5F / 5C. Restart temperature: 33.5F / 0.8C. 3. [Water Resistant and Safe] Water-resistant and rustproof housing ensures durability. Integrated heating element with insulated protective casing resists aging and prevents leakage. Safe for use around birds and animals. 4. [Easy to Use] Bird bath de-icer constructed from die-cast aluminum with a painted surface. High thermal conductivity. Simply plug into a power source to provide gentle water warming. Automatically operates without manual settings. 5. [Wide Application] Provides fresh, unfrozen water outdoors in winter. Ideal for use with ponds, gardens, yards, farm birds, poultry, livestock, and wild animals. Specification: Main Material: Aluminum Color: Black Current: 1.66A Power: 250W Cut-off temperature: 41.5F / 5C Restart temperature: 33.5F / 0.8C Cable length: 1m / 3.3ft Size: 140 x 60mm / 5.5 x 2.4in Package List: 1 x Pond Deicer 1 x Power Adapter 1 x Manual