**Specifications:**
**Brand:** Hongyan
**Model:** QF12305D
**Functionality:** Four-in-one Bathroom Heater
**Heating Power:** 2600W
**Airflow/Exhaust Power:** 35W
**Lighting Power:** 18W
**Motor:** Sealed Single Motor
**Air Outlet Diameter:** 10cm
**Thickness of Housing:** 8cm
**Ceiling Reserved Height:** 12cm
**Wall Reserved Line:** Five-function Line
**Control Method:** Piano Key Mechanical Switch
**Ceiling Reserved Line:** Zero Line
**Opening Size:** Integrated Ceiling 300*600mm, Other Ceilings 305*605mm (requires additional conversion frame)
**Features:**
Suitable for bathrooms with poor ventilation or no windows
Quick heating with 2600W high power PTC heating element
Rapid temperature increase of 15 degrees in 1 minute
Efficient 35W ventilation for fresh air circulation
Bright 18W high-color rendering lighting
User-friendly operation for elderly and children
Multiple functions including heating, ventilation, and lighting
Easy installation with clear wiring instructions
Flame-retardant mask, ceramic heating core with temperature control protection
Accessories include control panel, screws, check valve, ventilation pipe, nylon ties
**Additional Information:**
Suitable for new construction or renovation projects
Compatible with various ceiling types and sizes
40 years of quality assurance with multiple safety features
Product dimensions and specifications tested in a 2.0*1.5*2.5m bathroom space at 15°C ambient temperature
**Questions & Answers:**
Q1: Will the heater damage hair?
A1: The warm airflow is gentle and comfortable, not damaging to hair.
Q2: How long does the fan run after the heater is turned off?
A2: Smart models run for about 15 seconds, non-smart models stop immediately.
Q3: Can the mechanical switch be replaced?
A3: It is recommended to use the original switch provided to avoid operational issues.