3-4S Lipoly (9.5 – 13.5v).
Adjustable alarm for Trex450 sized helis or aircraft. 4 x 10mm ultrabright 60,000mcd LEDS mounted on a fiberglass plate. Perfect for 3 & 4S planes and helis. This unit fits well in the floor of a fuselage. These alarms come preset to 10v unless you request otherwise. Cost $35 code: NZ3-4L Order
3-4S Lipoly (9.5 – 13.5v).
Adjustable alarm for Trex450 sized helis or aircraft. This alarm uses a 93dB 3.3Khz piezo. Perfect for the smaller heli - they are also light at 8g. These alarms come preset to 10v unless you request otherwise.
Cost $30 code: 3-4P Order
3-4S Lipoly (9.5 – 13.5v).
Adjustable alarm for Trex450/Quick EP8 sized helis. This alarm uses a 93dB 3.3Khz and an 86dB 2.3Khz piezo. This produces a dual tone that is iritating!!! These alarms come preset to 10v unless you request otherwise. Cost $35 code: 3-4DP Order
5-7S Lipoly (16.5-26v)Designed for the Trex600. They also fit a wide range of planes and helis.
Adjustable alarm with 6 x 10mm ultrabright 60,000mcd LEDS on a fiberglass panel. Cost $50 code: 5-7L Order
8-10S Lipoly (27-36v)
The alarm voltage limit is adjustable with a trim pot, by the wire exit. Line up the marks for 27 to 36v as desired. Unless requested at ordering, the alarm is set to 33.0v. Cost $60 code: 8-10L Order

