Its Thyme T3 G4 base 2.5W Dimmable Led Bulb suitable for Landscape Lighting - It's Thyme
Dimmable LED G4 Bi-Pin Base Bulbs,AC 110V( Do Not Use in Low Voltage 12V), 3W(Equivalent to 20W 30W T3 Halogen Track Bulb), Warm White 3000K, Home Lighting,Landscape Light,Ceiling Lights,10-Pack - Amazon.com
EASTIN G4 LED Bulb T3 Type Led G4 bi-pin Bulb AC/DC 12V 2W Day Light 6000K for Candle Base Light Outdoor Landscape Lighting, 5-Pack, White - Walmart.com
G4 Red/Green/Blue LED bulb 64-3014SMD Dimmable LED light AC110~120V Silicone | eBay
G4 LED COB Dimmable 3W 6W Capsule Lamp Bulbs Energy Saving Super Bright AC 12V | eBay